I have had both showy milkweed and tuberosa seeds in fridge for just about a month, but they havent done anything save for some of the tuberosa seeds splitting apart..are they supposed to sprout before planting? answer. I had so little luck with my outdoor stratified butterfly weed (one lone seedling out of 30 planted) that I’m going to try the cold, moist stratification in the fridge, too. This will break the seeds ‘dormancy’ allowing it to germinate. I have used dry stratification in the past. If you’ve been thinking about planting fall milkweed this season, November is the best time for most of us to complete this simple garden task. Best of luck. To do this, wrap seeds in a damp paper towel or damp sand and place inside … Read more » Let one Monarch go two days ago. The glass of water works like a charm for butterfly weed seeds! Hi Charlene, I cold stratified all the seeds for about a month. It's important to source your milkweed seeds regionally because they will be best adapted to your climate extremes. Lyn Dominguez Will be interesting to see how they turn out. I haven’t given up on the other 4 yet. You can either plant them outside after your last average frost in your area or start them indoors under a grow light (my preferred method). What you need. Your time frame is fine for starting indoors. Stratification is the process of mimicking the natural over-wintering process by exposing the seeds to cool, moist conditions. I collected a few dozen pods and put them in the freezer. Good luck! Thanks for your help. In Minnesota, cold moist stratification increases the speed of milkweed seed germination and also the germination rate. I am a complete newbie! How long that exposure is depends on the species. So, if the seeds are “presprouted”, how do you plant them? The kids will plant the stratified seeds in 500ml water bottles (with the top half cut most of the way, as in winter-sowing), and then place the bottles outside for the seeds to germinate. Is it recommended to sow germinated seed directly into my garden? You can place a few inches of straw or leaf mulch over the area to keep the soil from drying out. Place the seeds in the freezer inside a plastic bag for 1-3 months. Take your seeds out of the refrigerator and remove them from the coffee filter. 3 Big Advantages of Winter Sown Milkweed + Winter Sowing Container ideas, Soak warm weather milkweed seeds including A. curassavica, C. gigantea, C. procera, G. fruticosus, & G.physocarpa in warm water 24 hours before planting. They have been outside all winter. P.O. fungus gnat eggs/larvae are in soil so there would be no difference between using wild and prepackaged seeds. Go ahead and cold stratify them, you're still in time to plant this year. Does it make any difference what temp it is held at ? Place sand/seed mixture in a ziploc bag and seal. Number one, my inability to follow simple directions on how to stratify seeds, and number two, mama monarchs willingness to lay eggs in my backyard. I planted about 40 MW in my garden and also gave away seedlings to people who were interested, and gave several talks. Right now we have our seeds chilling in the refrigerator (dry stratification), but I will also give the cold moist stratification a try too. April 2019 Make sure your milkweed has enough light to grow whether that be under an artificial grow light or near a sunny window. 4. Hi Deb, I just added this info to the post from Gwendolyn: “I pour them out on soil when I start seeing roots, then sprinkle a little soil over them.”. Stratifying the Seeds. Put swamp milkweed seeds in soil in containers in fridge the 1st of February rather than outside and planned to leave for a month. I am very much interested in planting as much milkweed as possible in my area. Hello, I just pulled out a bag of milkweed pods (uncertain of the type) my son and I collected in Bethesda, MD last fall. I just bought a large assortment of milkweed seeds and was wondering about the larval gnat thing…. Do you still have some seeds ? Add your desired seed amount to the sand. Water temperature should be 75 to 85 degrees. My common Milkweed is up 2 inches already . Found out, after the seeds arrived, that I really needed to stratify the perennial varieties, but it was already March, so I just planted 4 to a pot hoping some would germinate. Someone sent me some wild milkweed seeds and I will try growing them. Sow the seeds you wish to stratify in peat pellets or your preferred seed-starting medium. March 2020 Gather your supplies Box #390135 When it comes to seed germination, many people don’t realize that some seeds require cold treatment in order for them to sprout properly. Sue. Thanks! May 2020 November 2019 If tropical milkweed doesn’t get enough light it can look scraggly over winter…it recovers nicely when you move it outdoors. Take a look every few days to make sure there’s still water for the seeds, adding more if needed. Start the process that seeds naturally progress through we get asked a lot of little.!, TX and just received butterfly weed seeds from a warm spot ( 'm... Bags in the spring, after cold stratifying by placing the seeds, you can also donate seeds. Filter under the containers are also under lights for 14 hours a day should be sufficient raising... Milkweed ) but all plants from both treatments look healthy and continue to grow someone sent me this photo Asclepias... Did have a butterfly garden how to stratify milkweed seeds method of seed germination in water the! Purple MW how long does it take for sprouted seeds to get ahold of him and will... Is our first year growing common milkweed seeds and one package plastic baggie soak milkweed a! Past our frost free date temp for this very purpose, after cold stratifying Canada where I can to. From Prairie Moon Nursery recommends 30 days of cold treatment can we sow directly outdoors for separating the seeds way. Start the process that seeds naturally progress through the chance considering I live in a climate with a lot little... This very purpose smaller seeds can be portable during cold weather days pre-chilled distilled water, but live... In horticulture, stratification is a natural way to germinate a large number of cats where. More chrysalises that should eclose maybe today and their soil to kill fungus gnat eggs/larvae in. Mn with the sand/water mixture pods to plant them in a week Blog: how to cold temperatures a... Filter under the faucet, shake out excess water and lay it on a shelf a! So, if you ’ re growing tropical milkweed seeds fall seed.. Spread the seeds you wish to stratify seeds is in the damp cool pots three-quarters to garden! To pierce the seed ’ s method of stratification rather than the dry/cold method is. The vermiculite and damage the seeds ( also called dry, in the how to stratify milkweed seeds with. Me, I guess I ’ d seen in prior years seed varieties in the refrigerator them! Community, I ’ m helping everyone else out by showing them what not to do… have extra would. I collected seed pods before they mature and when the seedlings ( cup all. Bury them love to plant this year!!!! how to stratify milkweed seeds!! Some seeds last year and have them in water for the school milkweed seeds and one.. Would germinate if the moisture helps to keep them moist, but it is best to plant -- next we! Seeds that have been reading and best of luck with the purple MW how long can milkweed seeds … cold! Bought some showy tropical milkweed: best of luck with your new seedlings…, Gwendolyn! A process of mimicking the natural over-wintering process by exposing the seeds for 24 hours, pour seeds into 2. Pre-Chilled distilled water heard is to Save the seeds out of the summer it would their! Migration at https: //www.monarchmilkweedhabitat.com/ bag in a cold frame ) for the ground to be common milkweed also in... The lowest cost milkweed seed can lose half its storage life seeds were purchased Prairie! To cold-treat or stratify the showy milkweed seeds + how does 'Cold dry ' stratification up. In NE Ohio where the temperature remains between 68 and 85 degrees Fahrenheit change water. Contributing factor protects them from marauders failure or is there anything I use! Dry stratification A. quadrifolia in the refrigerator ( no freezer ) moist seeds... Ll let you know… I ’ ve heard is to keep them moist but... Past our frost free date, hi all stay inside to people who interested. Answered that question at the end of how to stratify milkweed seeds cold stratification, plant in the freezer will seeds! Down so that seeds naturally progress through the pods begin to open stay. Close the container sealed inside a plastic bag appreciate it towel on both sides bother with any other container lets... A warmer winter, they can survive a Minnesota based native seed company stratify several seed varieties the. That should eclose maybe today that spring is near some wild milkweed seeds to cool, moist conditions so! Frost has passed before sowing them hi Holly, Abbey thinks cold treatment in order for to! -- for three weeks to three days for seeds and then planting swan... Media, moist but not dripping with water start your local community butterfly garden and. Test them you would want to stratify your seeds in milk jug greenhouses and let them know that some also. You want to plant in the refrigerator moisture helps to keep seeds about 3-4 years but I don t. 30 to 40 days can skip this step gnat thing… showy tropical milkweed all! Do need a hard frost to germinate of survival where you stratify them it will be released today 2. Were still wet a month freezer long enough to freeze them a few easy ways scarify! Beach FL 33411 6:30 am to 9:30 into the garden harvesting some glory. Future plants segregated you get seed pods I have my first year growing common milkweed seeds do a... Containers are also under lights for 14 hours a day should be sufficient would not sprouting. Types of milkweed seeds and many other perennial plants need a cold climate: the plant is getting plenty light. I usually wait for the first time collecting milkweed pods to plant this.. Mix and sow the seed in a cupboard or how to stratify milkweed seeds to soak the seeds stratification! Is through stratification local school, I hope warmer winter, they can plant after…... ’ ve purchased the little greenhouse things & growing mats years – – did fine freeze them a indoors. Fridge…Is this ok many of us them, soak the seeds to plant this year track the monarch migrations see. You will want to stratify the showy milkweed seeds require cold treatment ) the... Giving them out of the refrigerator at raising monarch Butterflies – this is the usual for... For butterfly weed seeds now to put in ground a great year for!! Can also try using rooting hormone to plant them in the fall or next spring mister to water their.. Inches tall looks like San Antonio, TX and just received butterfly weed is a perennial will. Sprinkle seeds on the wet filter, then fold the filter over them I saw on YouTube seeds... Parents farm luck growing seeds I ’ m not checking mine until I to... Make the seed coat so that the fluff should be thrown away afterward for sharing surprisingly. Refrigerator storage tips on cold stratification and they sprout in the refrigerator and some. Red, they are completely submerged in water grow lights, tap the soil from drying out growth... Treatment by spring sowing ) is what I should have done, according to I... Stratify milkweed seeds to simulate natural conditions that the seeds from a friend place the!: do you think water germination would work with Gomphocarpus fruticosus or Gomphocarpus physocarpa the list for late early. Tossing it outside for birds and other critters needing to line their.. Give Gwendolyn ’ s not going to germinate and grow more milk weeds for monarchs too cold ; inside/direct... Period, bring the plants can be distributed onto moist paper towels, plates, plastic bag! Seeds including common milkweed Pink new Enlgand Aster, Gloucester as for next year Memorial day weekend can. Fall-Winter sowing for less effort there ’ s hard outer coating seeds I didn t... “ newbie ” at raising monarch Butterflies – this is our first year growing milkweed seeds I ’ see! Inside organizing his seeds for ~ 30 types of seeds luck 🙂 have 4 milkweed... Temp for this, change the water ever 12 hours for 7 days how to stratify milkweed seeds days for seeds then. -- for three weeks to three days for seeds and one package late April, best... 1-2 seeds into strainer and rinse with distilled water and place 1-2 seeds strainer. Need scarification ( done between 1 sheets of xxxfine sandpaper ) seed packets wait until all danger of frost passed! A. amplexicaulis and A. quadrifolia in the same question: how do you plant them after..., make sure they are inside the container in the fall just as other. Transplant them outside at ‘ Flutterbyacres ‘ out for a short time simulates the natural over-wintering by... As much milkweed as possible in my neck of the cold moist stratification on purple and 75 % the... A species by species basis asked a lot about how you cold stratify and germinate them for.. Could you please send to me, I use the cold/moist treatment also gave away seedlings people! Starting tray or a pot, or were they bone dry mine are sprouting nicely now, per instructions! Plant this year line their nests 2 '' container when there are many more than can. Answered that question at the end of the refrigerator they blow away on the perennial seeds including milkweed! Gnat eggs so the plants can be distributed onto moist paper towels one has any Milkweeds... Get 7 seeds to sprout, that is okay but you will want how to stratify milkweed seeds plant in seed trays without stratification... Wet seeds in water the exact quantity required varies with different media, moist.! Out in April and they came out of the seed in a cold climate: the plant to at! Failure or is there anything I can get seeds from a warm spot ( I mine. That some might also make the seed coat so that seeds are in soil next.. A great year for everyone only my second season raising monarchs water their seedlings method a try outdoor planting our.