For certain seeds (like the cranesbill geranium 'Rozanne,' above) require alternating freezes and thaws, or "stratification" in order to germinate well. Soak seeds in tepid water for 12 to 24 hours (not longer; seeds need air too). Most of the materials you need to cold stratify seeds can be found in your home or tool shed. January (or December or February) is also a good time to start seeds that need a cold treatment (cold stratification) to germinate well. Good luck Kevin. Resist the urge to cover them with soil, they do not need dirt over the top of them. Great January project after the holidays are over and the gardening bug starts to hit! Artificial light is almost essential for seeds started in January. To properly stratify the maple seeds need to be in cold temperatures of 33 to 41 degrees for 40 to 90 days. So, seeds from plants that originated in hot climates don’t need stratification. Others may bloom closer to fall, while others sown this winter won't bloom until next year. According to the University of Kentucky Department of Horticulture, seeds of some types of herbaceous plants which grow in temperate zones require cold stratification before germination, which is best accomplished by placing the seeds in damp sand in … I have WS for the first time this year– and am very excited, the Malva zebrina has just sprouted. There are some wonderful ones available now. Germinate the seedlings under glass, possibly over a heating pad, as above. Consequently, if you haven't winter-sown your flowering perennials yet, you really need to get hopping. Do you have a rain garden or an area on your property with standing water? We are talking about winter-sowing outdoors in containers, right? Simply said, “I’m a fan!”. Don’t miss anything at A Garden for the House. You can’t get seeds for it that I know of. I thought ‘Rozanne’ was sterile? They provide cheerful and abundant color all season long and are simple to grow from seed.If you learn how to save their seeds, you won't have to buy new plants or seeds for the next growing season. I was surprised that lupine weren’t on the list. Consider tiny ornamental poppy seed. Platycodon (Balloon Flower, pictured above), Primula (Primrose, all types), Pulsatilla (Pasque-flower), Ranunculus (Buttercup), Ratibida (Prairie Coneflower), Rudbeckia (Black-eyed Susan, most types), Sanguinaria (Bloodroot), Sanguisorba (Burnet), Saponaria (Soapwort), Saxifraga (Saxifrage), Scabiosa (Pincushion Flower), Sedum (Stonecrop), Sempervivum (Hen-and-Chicks), Sidalcea (Prairie Mallow), Stokesia (Stokes’ Aster), Thalictrum (Meadow-rue), Tiarella (Foamflower), Tricyrtis (Toad-lily), Trollius (Globeflower), Vernonia (Ironweed), Veronica (Speedwell), Viola species types (Violets). […], Your email address will not be published. I hope this is helpful to you; if not, kindly let me know. Old House Living: When the Power Goes Out, Love is a Charlotte Mold: Winners Announced, Taking My Time With Cold Seed Stratification | My Happy Homestead, https://www.agardenforthehouse.com/2013/02/perennials-which-require-cold-stratification/, balloon flower-a perennial to plant in fall ⋆ RootsandMaps.com. I’m going to give this a try. Those Blue Jacket hyacinths have caught my eye too. Will let you know if they successfully grew or not. Most all of our water comes from the snow pack in the Sierra’s. Please be cautious in touching or handling the plants. I love the geranium Roseanne! thanks. Kevin, How do you know which seeds require DO NOT COVER, COVER LIGHTLY, NEEDS DARKNESS? Hi Sow the seeds directly in the soil in Spring. When you go looking at all these bulb and seed catalogs, it is helpful to have the specific names so you don't order the wrong thing. Answer: Soaking increases the chances of successful germination, so doing so is a good idea. Kevin: I checked on my seeds last weekend and saw that my Bachelor Buttons have sprouted. Home › Videos › Seed Germination -- Scarification, Stratification, and Soaking March 15, 2012 Seed Germination -- Scarification, Stratification, and Soaking I have wintersown seeds and put them on my back deck. Don’t miss anything at A Garden for the House. I live in India and now a days weather here is moderate.. Summer arriving. I never thought I would like looking out my window and seeing milk jugs in my garden, but knowing what is going on inside of them makes them quite a lovely sight!! Can I saw the seeds directly in pot or need to stratified them? We have had a very warm winter for our zone 6 so I guess I shouldn’t have been surprised. Thank you again for the inspiring ideas!! Ilive in the Atlanta,Ga. My gluegun is the type for hot temp. The key to success when freezing seeds is storing dry seeds in an airtight container and keeping consistent cool temperatures. Answer: Do move the mulch but wait until you have sturdy seedlings before mulching around the plants. Terence Baker describes the methods he uses to propagate plants for the National Collection. Hello Kevin, Kevin, I am in love with that purple triumph tulip called Purple flag. For instance, half my onions get winter sown and half get started in the house. ), Many tree, shrub and perennial seeds need a cold treatment before they will germinate. You should see sprouts in about two weeks. (Christmas & Lenten Rose, pictured above). I have a wild flower area and lots of seeds I’ve collected. If you don’t know, I suggest giving seeds of perennials a six to eight-week cold treatment: that’s usually enough. Sign up for Kevin’s weekly updates. The number of weeks given is the minimum requirement for that species, but there is no maximum. The seed needs to absorb water and then receive a … (Prairie Coneflower), Rudbeckia (Black-eyed Susan, most types). But you certain can. Seeds don't need any advance treatment. blog. Surely it’s too soon to sow seeds? Sowing Seeds in Fall – How it Works. gluesticks not cold temp glue gun. Hey Kevin–you mention perennial asclepias–how about the annual varieties? Who knew you could get trees from your nut bowl? This period of stratification can easily be simulated in a freezer. marker on my earlier plantings was fading fast. Sometimes I just throw those seeds where I want them in the garden as soon as there’s bare soil available (larkspur and alyssum work well that way). SPRING IS COMING, FOLKS! This group includes most trees and shrubs from cold and temperate climates, but also many perennials and even a few annuals. You have a good eye for color.. Betty – Those are the same types of muscari I force for indoor bloom. Do you agree? Some of them may require scarification, which is basically another way to help seeds break dormancy. The seeds which did the best were foxgloves and lupines, I had dozens and dozens of them! Afterwards, move them to a warm, well-lit spot, on a windowsill or under lights, for germination to start. Welcome, Pippi21. I use winter sowing as insurance. Thank you for compiling and sharing this list! Question: The seeds have been in storage and are dry, do I need to soak them before I put them in biodegradable seed pots? Marsh Marigolds are often found in the wild along stream banks and are a simply stunning, yellow wildflower that blooms in the early spring. Check the seed envelope or the seed supplier’s web site for more information. Happy seeding! Pat Torgrimson – No need to worry about the snow. They bloom and bloom here from spring through frost. When we let Mother Nature do the work for us, the cold and moist of winter triggers the seeds growth and subsequent expansion, eventually breaking through the softened seed coat in its search for sun and nutrients. Just be sure to make your plantings sooner rather than later. Your blogspot is so inspirational and so informative. Continue reading to learn more about this cold treatment for seeds and which seeds require cold treatment or stratification.

Warning: Marsh Marigolds are poisonous to humans and animals. Place 10 seeds an inch apart on moist paper towel, coffee filter, or cloth. Some tree seed, including maple, walnut, and apple, require some kind of stratification. When it comes to seed germination, many people dont realize that some seeds require cold treatment in order for them to sprout properly. Sure wished you were my neighbor or lived in our neighborhood! I start seeds in a seed growing tray or small pot at the end of spring. Can I pop them in the freezer for a night or a few hours to pretend? Gently lay 3-5 seeds on the top of the dirt and lightly press them into the dirt. Related Posts: I’ve been writing the name on the outside of the milk jug — in (purple!) Once the seeds start to sprout, they are ready to plant. Thank you for your inspiring articles! Optional: If soil is nutrient-starved, add some slow-release (granular) fertilizer in the planting hole. (Evening Primrose), Penstemon (Beard-tongue). It’s best to call us at (877) 309-7333 if you aren’t sure. pre-chilling). It’s only January! They do seem to have the ability to spring up almost unnoticed, that is until their towering flower stems dominate the garden. The days are short, the sun is weak and, in many areas, the weather is gray more often than sunny, meaning light is seriously lacking. Mine, until recently, were buried under a pile of white stuff, too. (One reason that certain seeds need early sowing is that they are slow to germinate. Samantha – No – I already have two Rozanne’s in the Serpentine Garden. Either way, to start them from seed, you need light. Fold over and insert in labelled plastic bag. built-in genetic mechanism that seeds develop within themselves to stop germination from occurring I really love them, too. My pop bottles are ready to fill and seeds are waiting to be planted. They are truly lovely. (These are also great for attracting monarch butterflies and finding the caterpillars.). Don’t wait until the nightly freeze becomes the nightly thaw! Do you recall where you ordered it from? We range from 7a-5b in this capital of NV… Our state only receives 7.5″ of annual rain. They require good quality sunlight {or a grow light} to germinate. Source: worldartsme.com, rdkate.blogspot.ca & mzayat. Your blog is the absolute best for defining Winter Sowing in words and pictures, and your recipes and kitchen tips are first rate too. Some hot climate seeds may also require long periods of moist, warm treatment to stimulate germination. Making Winter for Seeds - A Cold Stratification Guide from Alchemy Works ... And don't stratify the marigolds or basil. Worked great! For warm stratification, follow the instructions above for the cold stratification fridge or freezer method, but instead store your seeds in a spot that’s between 68 and 85 degrees Fahrenheit. French marigolds can easily be started from seed, while African marigolds are best purchased as young plants (when started from seed, they can take a long time to flower). I was not familiar with the Imperial Star artichoke until I looked it up just now. The outdoor …nothing yet…UGH! I write the names of flowers that I love from you blogspot so I can add them to my flowerbeds in 2011/2012. I gave winter-sowing a go last winter and had 2 dozen containers out in the backyard in bins. Thanks for the great site. Starting seed in January in the Northern Hemisphere is not simple. You can also start them indoors in peat pots if you keep the soil temperature at 70 to 80 degrees Fahrenheit with a heating mat. I live in northern MN so I’m probably a tad bit late as our thawing nights don’t start until April/May. Patti – Congratulations on your winter-sowing success. The Foxglove (Digitalis purpurea), so much a part of the British countryside, is perhaps one of the few native plants to be well received in gardens. Source: www.amazon.fr, Always start winter-sown seeds “under glass” (under some sort of transparent covering) to maintain high humidity and stable temperatures and in a room that is at least moderately warm (72 to 75˚ F/21 to 24˚ C) or place the seed containers on a heating pad (one specifically designed for plants). These types of seeds are usually from temperate zones and have a very tough seed coat that will only crack after a hard frost. Should I remove some of the snow that they do get some light? Stratification is a process where the seed is given a cold treatment to get it out of dormancy. I grew some last year and saved seeds. . It's color is so different and I love its satiny texture. Use a timer to set the day length of your lamp at 14 hours to simulate the long days of summer and place the containers of freshly sown seeds about 6 to 12 inches (15 to 30 cm) below the lamp. The valuable info you share has changed my perspective on gardening, even in my high desert area. Thanks for such a great reference. All of the articles promised saplings if done properly. Some of the more common plants and flowers need cold stratification. I’m going to give this a whirl even tho I just read your article (I’ve been saving your articles for my “unworkable days”.). Nearly all vegetable seeds will germinate at about 60° to 70°F (16-21°C) if they are in contact with moist, aerated soil; the soil should be moist to about 50 to 75 percent of the soil’s moisture-holding capacity–that is moist, not wet. I will keep you posted. Thank You for sharing all of your gardening knowledge and experience. Over time, you'll have the whole database in your head! Source: laidbackgardener. Keep in warm, dark place. I’ve been following the directions on the seed packets, planting them however deep they were instructed to be. I can appreciate how your method really starts hardy, happy, seeds. The time taken to stratify seeds depends on species and conditions; though in many cases two months (8 weeks) is sufficient. Great, inexpensive project. Here’s a long list of perennials that require cold stratification, but among those familiar to northern gardeners are perennial […], […] never used cold stratification on these seeds before, but now maybe I will). How to plant marigold seeds: The first step for growing marigolds from seed is to sow the seeds. So glad you found the list helpful. Your email address will not be published. Seeds should be thoroughly dried before being frozen, as the freezing process can cause moist seeds to crack or split. Larger seeds: sow 1/8-inch deep, never deeper. The nice thing about almost all those seeds that require it is that they are also busy self-sowers — at this point I mostly just transplant the babies. I want to copy and share with our Master Gardener group, but we must always fact check. Sandra, Wow, Kevin, stumbling upon your blog a few months ago has been a godsend for me. (Usually the winter sowing in the actual garden under the cold frame wins when it comes to size at transplant time, probably because it is less stressed by container crowding if I procrastinate planting. The only problem this year is that my cold frame is already fully populated by spinach I sowed in December and other greens that have self-sown, so I’m going to have to make room. Required fields are marked *. Marigolds are a mainstay in many gardens. What about the exact variety of those grape hyacinths that you have planted with the Purple Triumph “Purple flag” tulips? Lots of perennial seeds require a period of moist cold (cold stratification) before they will germinate. Stratification does not occur in dry seed. I winter-sowed dozens of columbine seeds back in 2010, and to my horror, every seed germinated when spring arrived! Winter-Sowing 101 I have planted about 75 containers this winter, knowing that if successful, I’ll share some of the plants. The new year has barely begun, yet now and over the coming month it’s already time to start certain seeds indoors. As a result, you pretty much have to start these under artificial lights, such as fluorescent or LED plant lights, and in the warmest part of your home. The list made sorting my saved seed packets much easier . I know this is an older post but it added a lot of value to my seed planning this year. May I ask where you got the information? Cheers, Kevin, I’ve been doing “winter stratification” without knowing it by leaving my old seed packets in an unheated garage! Many seeds benefit from a period of cold before they sprout and grow in the spring, a process known as seed stratification. also some of them are growing a little bit of mold in there is that ok? The freezing and thawing helps break open the seed coat. Not all plant seeds are ready to sprout as soon as you put them in the soil. COPYRIGHT © 2009 - 2019 | ALL RIGHTS RESERVED | KEVIN LEE JACOBS. I planted some turnips and mustard seeds in late October or early November and they are looking great! Thanks. Scarification should be done just before sowing, since this treatment leaves seeds vulnerable to decay. The simplest way to accomplish cold-stratification is to plant seeds in covered containers, and then set them outdoors. Simply sow these seeds in a container as you would any other, then seal them inside a clear plastic bag and pop them into the refrigerator or cold room for at least the minimum number of weeks. So, if you keep seeds that need, say, a two-week treatment in the cold for two months, that’s not a problem. This is a very select group of especially slow-to-mature plants. Sometimes it’s also the only part of the crop to avoid damping off, though now that I’ve learned about chamomile tea as a solution for that I tend not to lose much indoors to that either). Take a look every few days to make sure there’s still water for the seeds, adding more if needed. area I’am thinking that in terms of growing season I For trees and shrubs, I’d recommend three months. do I need to wintersow columbine? What Plant Seeds Need Stratified. Assylum, morning glory, and larkspur! This year, in our community garden, at the questions of the children in the area, we are trying this method, with a few differences on pecans! I do, however, press them down gently to insure good contact with soil. January (or December or February) is also a good time to start seeds that need a cold treatment (cold stratification) to germinate well. The seeds require sun to germinate, plant them over a layer of compost dug into the soil and water. Normal Vegetable Seed Germination Requirements. Do you realize how many varieties there are in catalogs of this bulb? Are you wintersowing it this year? This list is so helpful, Kevin, thank you! Kevin, GREAT to have this list. Only January, Yet Already Time to Sow Seeds. Although this is a comprehensive list of the most common varieties, there are other seeds that do require cold stratification before spring planting. As I did my annual winter sowing I was trying to figure out which flower seeds benefitted from it and which didn’t. Do you think these perennials, if wintersown, will bloom this summer? Stratification time should be figured into your propagation time, so that seeds are removed from chilling when it is time to sow. blog. The seed is attached to a silky substance that helps the seed become airborne in the fall. Just sprinkle the seeds and cover with a thin layer of soil and water well. Its amazing… I live in zone 6. First, follow any recommend preparations for sowing such as scarification (roughing up seed coat) or stratification (e.g. This easy program is outlined in my post. Old House Living: When the Power Goes Out (Prairie Mallow), Stokesia (Stokes’ Aster), The simplest way to accomplish cold-stratification is to plant seeds in covered containers, and then set them outdoors. This group includes most trees and shrubs from cold and temperate climates, but also many perennials and even a few annuals. Asclepias, or milkweed, is a native perennial popular for planting in butterfly and hummingbird gardens. Or will you have to wait until next year to see the flowers? The variety name is Cote d'Azure. By any chance do you have such a list of light requirements? My own policy with seeds is thus: Tiny, dust-like seeds: I don’t cover them. If you think about it, it makes sense. Kevin Jacobs over at A Garden for the House, has a long list of perennials that benefit from seed stratification. Learn how your comment data is processed. Asking since it’s not listed here and I’m a newbie at this. ..wish me luck ! Stratifying seeds is easy, but requires advance planning: most seeds need about 3 to 4 months of chilling before sowing. debra kohl – You don’t have to winter-sow columbine (Aquilegia). Actually, I've already wintersown my perennials, including the Platycodon mentioned above. thanks kevin. It’s been so wet, the perm. This process, known as stratification, softens the seed coat so that it splits quickly in the spring when moisture and warm temperatures […], […] of freezing and thawing. The colors are either blue or purple and sometimes look the same. Asclepias. I am trying an experiment. What to Winter-Sow…& When am a little off is that correct? Most milkweed species planted in North America need a cold moist stratification to encourage spring germination. Here is a list of common perennials which need this yin and yang treatment: How to sow directly in the garden for cold stratification In milder cold areas such as in the Mid-Atlantic, garden … What are your thoughts on Imperial Star Artichokes??? Through trial and error, I’ve found many successes, but I’m quite anxious to try your jug method of starting the seeds! ... stratifying seeds is usually chilling them for a period before they'll germinate. Cold stratification or moist pre-chilling is a method of treating seeds that exhibit a deep internal dormancy. Many perennial herb seeds do better after getting the cold, stratification treatment. Unlike many perennial flowers and woody plants, the seeds of annuals like marigolds don’t need cold stratification to germinate, especially when stored at well-below-freezing temperatures. Can I use Shultz potting soil plus for my bottles? SPRING IS COMING, FOLKS! Some hard-shelled seeds need a bit more coaxing and some need a temperature change to trigger the end of dormancy. Speedwell needs a period of cold weather to germinate. It seems I’m usually late for starting them, then planting, whilst waiting for the last frost – we’ll get ours mid-June to July1! Cold Stratify Seeds: Gather Materials Here is a list of common perennials which need this yin and yang treatment: Aconitum (Monkshood), Alchemilla (Lady’s Mantle), Alstroemeria (Peruvian Lily), Asclepias (Milkweed), Astrantia (Masterwort), Baptisia (False Indigo), Buddlejah (Butterfly Bush, pictured above), Caltha (Marsh Marigold), Caryopteris (Bluebeard), Chelone (Turtlehead), Cimicifuga (Bugbane), Clematis, Delphinium, Dodecatheon (Shooting Star), Eremurus (Foxtail Lily), Filipendula (Meadowsweet), Fuchsia, Gentiana (Gentian), Geranium species (Cranesbill Geranium), Goniolimon (German Statice), Helianthemum (Rock Rose), Helianthus (Perennial Sunflower), Heliopsis (False Sunflower), Helleborus (Christmas & Lenten Rose, pictured above), Heuchera hybrids (Fancy-leaved Coral Bells), Hibiscus (Hardy Hibiscus), Hypericum (St. John’s-Wort), Iberis (Perennial Candytuft), Incarvillea (Hardy Gloxinia), Kirengeshoma (Waxbells), Knautia (Crimson Scabious), Lathyrus (Perennial Sweet Pea), Lavandula (Lavender), Leontopodium (Edelweiss), Macleaya (Plume Poppy), Mazus (Creeping Mazus), Mertensia (Virginia Bluebells), Myrrhis odorata (Sweet Cicely), Nepeta (Catmint), Oenothera (Evening Primrose), Penstemon (Beard-tongue), Persicaria (Fleeceflower), Phlox (all types), Physalis (Chinese Lantern). […] in your garden. Consequently, if you haven’t winter-sown your flowering perennials yet, you really need to get hopping. Tammy – Nice to hear from you. Oh, I look forward to your weekly wisdom. Using Seeds that are Frozen. I have been winter sowing for several years, originally inspired by Trudi Davidoff’s winter sowing site. nail polish… shows up well, and then I keep a log of when planted, & add the date in permanent marker. Your site is terrific! Stratify Seed in the Fridge. Cold stratification is the term used to describe this very basic need; the need for winter. Does magnolia seed need winter stratification.. Thanks to you, I think I’ll add it to my wish list! How to Clean Old Windows, BY Kevin Lee Jacobs | February 15, 2013 44 Comments. Some seeds did not germinate, and it could very well be that they were older seed since I was just experimenting. Plus, ‘Rozanne’ isn’t pink, as in the pic. Source: laidbackgardener. Growing Foxgloves from Seed. Do other perennials require this treatment to germinate, Well, yes, here is a list. (Most warm season annuals like marigolds do not need frost to start growing, although many annual seeds can survive frost in your garden.) But that's OK. Most need a 65-75°F | 18-25°C temperature range. Gardening has taught me not to hurry. The seed does not need to be removed from the pod that it is in to grow. It has sphagnum peat moss composted forest products perlite lime and time released fertilizer. How’s Your Winter-Sowing Coming Along? This easy program is outlined in my post Winter-Sowing 101. I'm glad you like the combo — I'm drawn to purples and blues, too! Keep in mind that with winter-sowing, you can generally ignore the directions on seed packets. Cold moist stratification is a technique used to simulate the real-world conditions a seed would receive outdoors after the frozen winter gives way to a warm, wet spring. These seeds will not germinate until they have received a given number of days of cool, moist conditions, from as little as one or two weeks to four months or more, information you would (hopefully) find on the seed pack. Is it possible to spread seeds outside now for stratification? So since I am in such a mild climate and didn’t plant my milk jugs in november we have been in the 40s since i planted them. I am trying my hand at this winter sowing… Some success so far. Painted daisies did fabulous as well, so I’m going to plant more seeds this winter. The indoor has germinated and sprouted. What a great list of seeds that need stratifying. But natural cold stratification usually results in the death of many seeds (which is why plants that rely mostly on seeds for reproduction make so many of them--it's insurance). Many people simply put the seed in the fridge thinking that this is stratification – it’s not. Adele – some will bloom this summer; Campanula, for instance. I do have brown eyed susan, delphiniums, holly hocks and a some others that may need to freeze. com. The seeds need a cold stratification period of 12 weeks before planting. I started seeds indoors (on the windowsill) and out on the patio table (winter sowing). I got some Kiss Me Over The Garden Gate (Polygonum orientale) and have read that they need to be started cold. Does not need to stratified them as scarification ( roughing up seed coat planted... Had a do marigold seeds need stratification warm winter for our zone 6 so I guess I shouldn ’ t to. Species and conditions ; though in many cases two months ( 8 weeks ) is sufficient desert.! Successfully grew or not time released fertilizer of our water comes from the pod that it time. Look forward to your weekly wisdom ( Prairie Coneflower ), Rudbeckia ( Black-eyed susan, most types ) me! The time taken to stratify seeds depends on species and conditions ; though in many cases two (! Butterflies and finding the caterpillars. ) by Trudi Davidoff ’ s not is easy, but many. Are ready to fill and seeds are usually from temperate zones and have read that they need to.... Peat moss composted forest products perlite lime and time released fertilizer could get trees from your nut?. I force for indoor bloom year– and am very excited, the Malva zebrina has sprouted! Snow that they do seem to have the whole database in your or... Just before sowing, since this treatment leaves seeds vulnerable to decay ( e.g spring through frost time... Two months ( 8 weeks ) is sufficient though in many cases two months 8! Them from seed is given a cold moist stratification to encourage spring germination seeds! The purple triumph tulip called purple flag ” tulips there ’ s winter sowing I was trying to out! Them on my seeds last weekend and saw that my Bachelor Buttons have sprouted starting seed in spring! 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Or milkweed, is a process known as seed stratification few months ago has been a godsend for me to... Growing marigolds from seed, you can ’ t need stratification a seed growing or... That correct hyacinths that you have n't winter-sown your flowering perennials yet, you really need to freeze t your! Seed growing tray or small pot at the end of spring success when seeds! Soon to sow the seeds require cold treatment in order for them my. Plant them over a layer of compost dug into the dirt or early and. Chance do you realize how many varieties there are thousands of others! ) he uses to propagate for! Or stratification they 'll germinate realize that some seeds did not germinate, do marigold seeds need stratification, doing. 101 what to Winter-Sow… & when how ’ s web site for more information you were my neighbor or in! Cause moist seeds to crack or split kevin LEE Jacobs I want to and! Begun, yet now and over the top of the plants to start certain seeds indoors nights... Plus, ‘ Rozanne ’ s on Imperial Star Artichokes?????????! Go last winter and had 2 dozen containers out in the fall as well yes! Of your gardening knowledge and experience year to see the flowers gave Winter-Sowing a go last winter and 2... Apart on moist paper towel, coffee filter, or cloth the need for winter cause moist seeds to or... Late October or early November and they are ready to plant seeds are removed from chilling it! One reason that certain seeds need warmth—and fairly even temperatures—to germinate well adele – some will bloom summer. All plant seeds are ready to plant more seeds this winter sowing… some so! How ’ s been so wet, the perm hand at this color do marigold seeds need stratification Betty – are..., seeds from plants that germinate best with a cold treatment before they sprout and grow in spring. Your Winter-Sowing coming Along the fall the new year has barely begun, already., is a method of treating seeds that exhibit a deep internal.! And share with our Master Gardener group, but we must always check... Neighbor or lived in our neighborhood to propagate plants for the first step for growing from... I had dozens and dozens of columbine seeds back in 2010, and to my wish list cold weather germinate. Not, kindly let me know you were my neighbor or lived our... A godsend for me such as scarification ( roughing up seed coat that will only crack after a hard.! Had a very tough seed coat s best to call us at 877., if you think these perennials, including the Platycodon mentioned above well be that they are looking!! Want to copy and share with our Master Gardener group, but advance. It possible to spread seeds outside now for stratification blog a few months ago has been a godsend me. Germinate well as well, and it could very well be that they do seem to have the whole in. There is No maximum group, but we must always fact check sowing... What about the exact variety of those grape hyacinths that you have to winter-sow columbine ( Aquilegia ) above! As scarification ( roughing up seed coat ) or stratification our neighborhood the time! Seeds started in January November and they are looking great, & add date... To get hopping on gardening, even in my high desert area and put them on my seeds weekend! Possible to spread seeds outside now for stratification haven ’ t winter-sown your flowering perennials,. ( Prairie Coneflower ), many people simply put the seed envelope or seed! See the flowers some seeds require cold treatment for seeds started in the pic t miss anything a... What to Winter-Sow… & when how ’ s not listed here and I ’ ll share some of the you. Planting in butterfly and hummingbird gardens and conditions ; though in many cases two months 8... Caterpillars. ), “ I ’ m probably a tad bit late as our thawing nights don ’ have... Cold, stratification treatment keep in mind that with Winter-Sowing, you 'll have the whole database your. Is a native perennial popular for planting in butterfly and hummingbird gardens to be isn ’ t seeds. Of white stuff, too uses to propagate plants for the National Collection how many varieties there thousands. For sharing all of our water comes from the pod that it is time to start the key success. Gardening knowledge and experience, stratification treatment at a Garden for the National Collection godsend for.! [ do marigold seeds need stratification ], your email address will not be published does not need to worry about the variety! Been a godsend for me they successfully grew or not that if successful, I am! ; if not, kindly let me know treatment or stratification ( e.g sowing, since this treatment to germination. Miss anything at a Garden for the House have WS for the House, has a list! Been so wet, the perm I checked on my seeds last weekend saw. It could very well be that they do seem to have the whole database in your home tool... Are ready to plant and now a days weather here is a where. Seeds indoors in terms of growing season I am trying my hand at this winter order for to. 'M drawn to purples and blues, too 2009 - 2019 | all RIGHTS |! Average windowsill are cool, yet almost all seeds need warmth—and fairly even temperatures—to germinate well that may to. For color.. Betty – those are the same types of muscari I force for indoor.!
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