I only put one plant in each pot. Should I leave them out in the pots over the winter, bring the pots in the house, or transplant the little milkweed plants in the ground right now???? Allow monarch caterpillars to devour the plants. Here’s more info on diseases:

7 Monarch Diseases and caterpillar Killers

  • It takes forever for the milkweed seeds to grown. I am very familiar with winter sowing and already have jugs with dirt in them awaiting seeds! Grow Annually or overwinter in cooler regions, More Aquatic Milkweed Plants, Seeds, and Info. in pots and see what happens, as well as direct sowing and also trying theWinter-sowing technique. More Tropical Milkweed Info, Plants and Seeds, This is an exciting native option for containers because it blooms repeatedly with pretty white flowers similar to swamp milkweed. Narrow-leaf milkweed occurs on dry ground and sunny spots in valleys and foothills at elevations from 50 to 220 m. Gently add water until soil is damp. Is it impossible to grow it in a container, or would it not do well? Join the movement to create a Million Urban Farmers! But why would you want to grow milkweed in a container? The advantage to using second year plants? Even better, are the butterfly plants that serve both purposes. I called a Monarch expert at the UMN Karen Oberhauser and she had a couple of other people call with the same complaint .

    • yes, there are dangers during every phase of development and it seems like new predators are being discovered on a regular basis. Keep the soil evenly moist until the seeds germinate in 10 - 20 days. We pot tropical and swamp. They’re doing great but I’m wondering if I should pinch them back to encourage growth of multiple shoots thereby making the plant bushier. I use a slow release fertilizer to give the plants extra nutrients. these are transplants about 6 weeks old and 24″ high. It’s great!

      • Hi Patricia, I’ve handled milkweed for over 35 years…for much of that time I was not aware of some of the potential hazards.

        The sap can be a major eye irritant and I’ve heard reports of people making emergency room visits in rare circumstances. Check out this group:

        The Beautiful Monarch

    • Hi Anissa, some people grow common milkweed in containers, but I’m not sure how happy it is. We grew dozens of them last spring and gave many away to neighbors who kept them potted on balconies.

      • Hi Mary, what a great idea to support the monarch migration while having a close-up encounter with some of the migrators. If so, what dilution? I’m located in northern Iowa. Flowers bloom from June to September, but may not bloom until the second year. Valentine Gift Ideas for a Butterfly Lover, Start or Improve your Monarch Butterfly Garden, Butterfly Garden Book for Monarchs- Instant Download, Top Tools, Supplies, and Resources for Raising Monarch Butterflies, Asclepias Curassavica (Tropical Milkweed), hydrogen peroxide mix for sick and fungusy plants, Asclepias curassavica (tropical milkweed), Winter Sowing Milkweed Seeds Part 1: Supply Checklist. For the most part, using an all purpose soil mix works well for most milkweed species. Plant in a full sun location. I do have tropical milkweed seeds so will do containers with them. In the Fall we put the plant in a heated garage and this Spring we took it out . In spring, pull back the mulch to give space to the new growth. Is it too late to begin experimenting with cuttings from natural milkweed growing near my house? The butterflies (and your plants) might prefer it. I am happy to hear you are having so much success…raise on!

    • Tony, I’ve read about milkweed being poisonous. The goal in 2016 is to foster an awareness of milkweed as a favored plant in residential landscaping. We grow 16 varieties and our dogs have never touched any of them…that being said, some dogs are more destructive in the garden. I’m located in Minnesota. 3. Is that a good thing to do? To date 26 have morphed however, 6 have been deformed (curled & unable to fly). DO NOT EAT 2.DO NOT GET SAP ON SKIN OR IN EYES. Mine in both places are doing great. Thanks for all your ideas Tony.

    • Tropical milkweed has been blooming on our windowsill most of the winter. So, I would definitely leave it outside…it’s hardy to zone 3.

      For A curassavica, you can always overwinter a couple plants and multiply your supply with stem cuttings, which will grow to maturity in one season:

      Grow from Cuttings

    • my swamp milkweed is in containers. Keep in mind this is not an exhaustive list of milkweed container gardening ideas, but these are some of the options gardeners have reported the most success with…happy gardening! Mar 1, 2016 - If you're searching for container gardening ideas for your butterfly garden, look no further than milkweed! We left the containers outside till we saw eggs on the leaves, then brought them inside on the screened lanai. In areas with cold winters, transplant in the spring when the threat of frost is gone. If you want to plant tropical milkweed just soak the seeds in water for 24 hours to soften the seed coat and then direct plant outdoors in the garden or a pot…good luck!

    • Hello!
      I have a friend who said he could give me some common milkweed seeds from the plants in his backyard. Would something like tree roots keep the rhizomes from spreading as far as long as I harvest the seeds?
      Also, I have been giving tropical milkweed seed pods to my friends, since they were interested in growing them. Plus Lavender and many other plants which attract Monarchs and Hummers. I planted them in pots in May and they are only a few inches high. One morning we saw a female Cardinal take one off and come back for another one . Most of those plants have been transplanted into the garden and are getting ready to bloom now but I’ve reserved a few plants for growing in containers on my deck. I purchased them (20 at a time) from a reputable nursery who assured me they were organic. Unfortunately, the incarnata “Ice Ballet” and Speciosa seeds I planted over winter did not germinate. R. Weeks says

      Thanks for your reply.

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