Before planting the seeds, soak them in warm water for 24 hours to ensure that moisture breaks through their hard shells and reaches their tiny embryos. This can be done to promote bushier growth in other milkweed species as well: Wish me luck…..this morning I have 8 caterpillars on my last milkweed plant that has leaves! wow, that’s amazing Terrie….I hope you have another fantastic season! Does this variety need more hours of lighting than others? The stems and leav… Out in the garden I had about seven native plants. The cats had no problem climbing up the cardboard and forming a chrysalis on the top of each box. I don’t really care. Scroll down this page to see the plant height when first pinched back. Please read through the comment section below. Some of the plants are staked and some not. Purchase a large bag each of peat and potting soil, as many plastic seeding trays as you'd like, and milkweed seeds at a gardening store. I need to purchase grow lights, but don’t know what temp/luminosity they should be. Avoid shady or partial shade conditions for best results. You can sow milkweed seeds by scattering them on the soil surface 1/4-1/2 inch apart, and then cover them with about 1/4 inch of additional soil. The many varieties of milkweed plants bloom with both subtle and bright colors, and the whole milkweed plant is vital to the life cycle of Monarch butterflies as their sole host plant, and has also been used as … Set everything together on top of a heated seed mat. Asclepias incarnata is a native milkweed variety that prefers wet soil: You can research other milkweed varieties and find seeds on my milkweed page: Tony, you write about taking cuttings from your present plants and rooting them in distilled water in order to get a good start by planting them in your garden next spring. You could get some seeds of California native milkweeds, grow them into transplant size, and gift them to friends who have garden space, or gift them to … Leaves easily fell off. How deep should we dig the plants to be transplanted – I think they have fairly long tap roots. If I was going to use this technique, I’d do it in winter before a snow storm. Cover the seeds with a quarter-inch of soil and water thoroughly. Two small patches in my yard. Direct sow in fall or indoors in spring. I had pretty much 100% germination of the native milkweed and less than 50% of the non-native seed. I have a garden behind a brownstone in Manhattan. Will your garden be ready to greet them with, Still looking for milkweed plants and seeds to fill your patch? If you do, start indoors for faster germination. Hardy in zones 4-9. 2. Thank you so much for your help. What’s their viability? Mix 1 part peat with 1 part potting soil in a large pot. Imagine if our entire milkweed supply had been planted on the north side…, Planting all your milkweed in one patch is like putting all your pastries in a cookie jar, and giving them to a binge-eating blue monster for safe keeping…, Filed Under: Butterfly Garden Ideas, Milkweed Garden Ideas, Milkweed Propagation, Minnesota Garden Ideas, Plant Propagation, Wildlife Garden Ideas Tagged With: how to gardening, milkweed cuttings, milkweed plants, milkweed seeds, planting milkweed, spring gardening tips. Cold-treating your seeds causes better germination results in plants that are native to temperate climates, such as most types of milkweed. Cover the seed tray with plastic wrap to prevent the soil from drying out. Some of the non-natives were planted directly in the pots after the last frost – very poor germination. Work the soil with the garden spade down to a depth of 6 inches. If you can collect your own seed in the wild, go for it. And what are my options at this point? Even now ,, if you have any seeds still clinging to pods you can prepare a couple of trays that you can spread the seeds on and just leave them out over the winter on your deck or table and in the spring they will all sprout …. Hi Elaine, late summer and fall is a great time for planting milkweed. Time of year? Other? Would it still be okay to put it in the ground now? Simply sprinkle seeds on well-tilled soil and pat them down, add a topdressing of soil, and water them in. You can plant the seeds anywhere. You can plant them closer and then thin the plants as they grow in, or, plant Swamp Milkweed and its cultivars between 30” and 36” apart. I cut down the stalks to about 6-8 inches right below where the plant was previously leafing. Hi – my neighbor just gave me three milkweed plants. Wait until the fall? Thanks for all the material and news you have sent me over the last few years. At the end of the week, the seedlings will be ready to withstand outside weather conditions. The transfer to soil. Hi Jos, you can always try broadcasting and hope for the best. For most of the summer, these plants grow up and branch out and then August/September hits and the pods start … Here are some tips for overwintering indoors: 3 Big Advantages of Winter Sown Milkweed + Winter Sowing Container ideas, With spring comes the imminent return of the king of butterflies…Monarchs! Thanks. Pods are filled with seeds and floss, a material attached to the seed that allows it to travel on the wind, similar to dandelion seed. When the caterpillars hatch, they feed on the leaves of milkweed. We already have a large group of Monarchs, but would like to encourage them even more. Any thoughts on why they have failed to start any re-growth when their siblings mere feet away have been growing for a month now? Hi Tony, I live in south Florida and planted 4 to 6 plants and I have several caterpillars but the leaves are almost gone. I had huge beautiful caterpillars last year. Wet stratification? And raising seeds is something you can do inside an apartment! It is an easy plant to grow in the landscape.It prefers full sun (6 hours or more of direct sun). Hi Pat, if you are just getting started check out our post on starting (or improving) your butterfly garden: I have a couple of native milkweeds that I bought from a nearby Nature Center. How they are still alive, I do not know, but they are. How far apart should they be? Usually late July. Thank you, Tony, for the good advice! Mpls, MN. If you have lone plants growing around your yard, check them regularly and transfer monarch caterpillars to other milkweed, if necessary. They form their chrysalis on the slats. Pink fragrant flowers bloom in summer. Hi John, there is a link to field planting on this post which shoulld give you some ideas/resources: I have 5 Milkweed pods! Timing of the process occurs naturally when the seed is dispersed from the milkweed plant in the fall and continues until the seed begins to grow in the spring. Thanks – Theresa, Hi, I am trying to grow some seeds, but they seem to stop growing when they are about 1″ tall. The soil in Indiana was very heavy and mostly clay. Water to keep the soil moist, but do not make it excessively wet. Zip the plastic bag closed and place it flat in your refrigerator. Any tips on pruning to get a lush full plant? Over the last few years, we’ve focused our efforts on winter and spring sowing seeds (in containers) because it’s effective and requires less effort (and no indoor space!). We had these wonderful milkweed plants that had a very cool pod and opened blowing out fluffy seeds on the wind. Collect milkweed seeds in late fall when the seed pods are brown and open, or green and easy to pop open. Hi Janet, I’ve never tried that before or heard it suggested an effective solution. Get more aphid info here, can i start milkweed seeds in potting pots and plant them outside when they get bigger i am in tex and it is still cold here really dont know when to plant need help bad of what to do. I am not sure exactly which species it is, however we were thinking of trying to relocate these plants to my son’s preschool outdoor naturalized playground that is finishing being built. I am in Cedar City UT – hardiness zone 5b. Can I just hand broadcast now or do they need to actually be planted with soil covering them. Add at least 1 inch of compost to the top of the soil and work this in with a garden spade. We are near Niagara Falls, Canada in the green belt- but I do NOT have a green thumb . We have sandy soil and it grew well. I didn’t put them in my refrigerator either. I did purchase some plants at the local nursery that are doing great, even though I have to cover them at night. Thank you! When they were ready to eclose, I placed tall twigs around the chrysalises for the butterflies to hang dry, moved the boxes outside into the sun, removed the tulle and let them go off on their own. Last week after a heavy rain, I found 2 of the plants laying over on the grass and 3 caterpillars on the ground. You do need to move the cats around sometimes but it’s very easy to move stems from vase to vase and vases from box to box. 1. Don’t give up on milkweed too early and dig up perfectly good plants! I found that to be a great idea. Most species need to go through a cold stratification process in order to germinate. Hi Michael, most milkweed species are cold hardy to your region, including tropical milkweed. I was wondering how to plant them. Do I need to be concerned that there won’t be enough for them to eat?Also if not caged will they attach themselves to the stem or do I need to place something for them to attach to? Seeds require Fall sow or 60 day cold stratification If you’re in a region with a true winter, it’s definitely an option worth considering: I started milkweed seeds in about September or October in my basement but I did not cold stratify them first, my basement is not finished and what ever the temp outside is, is what it is in the basement. Yep, I realize that I’m behind schedule – I’ll be sure to pay more attention, come next year. Texas longterm drought has sparked a broader interest in native plants, so the availability of milkweeds and other “from here” pollinator plants will continue to grow. I am getting ready to start a large pot garden of Sunflowers, Zinnias & Milkweeds. We do get monarch butterflies, but I don’t see them until late summer when my milkweed is starting to die. I would check out plants and plugs on my resource page. They grew very sparse and were dwarfed. Some gardeners cover their plants to give them a chance to recover: Growing Milkweed in Continuous Growing Regions. Try a different propagation method? Fill the seed tray almost full with potting soil approximately two months prior to the last spring frost. I have heard you post about Curassavica, Incarnata, Purpurascens, Syriaca, and Tuberosa, How do these grow for you and do you grow any of Sullivanti, Asperula, Speciosa or Virididis?. We are patient to move them whenever is best suited! Has the seed been cold treated/stratified? They blow away on the wind thanks to their silky parachutes. ; Seeds: plant your seeds directly into the soil in the fall.As an alternative, you can start your seeds indoors, 4-8 weeks before the average date of last frost. Any tips would be much appreciated! thanks. How long does it take a milkweed whose leaves have been eaten to grow new leaves and be ready again? Last year all 3 patches did not do well at all. 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