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Top Questions About Milkweed Plants

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Questions About Milkweed Plants

  • Answered by
    MichiganDot on
    July 22, 2019
    A.

    You can dig it out by going deeply enough to find the common lateral rhizomes that send up new plants. I removed common milkweed, Asclepias syrica, because I found it too aggressive in my garden. After digging out the obvious plants, I've pulled baby plants while weeding as they appear. Since I didn't go after the rhizomes, I expect this will take up to 3 years. If you decide on herbicides, make sure you don't have monarch caterpillars on the plants and remove the flowers so pollinators don't land on treated plants.

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  • Answered by
    Downtoearthdigs on
    July 22, 2019
    A.

    Glyphosate is the most common herbicide used to eradicate milkweed. Application after the plant has budded and before it has bloomed is most effective.
    In my own garden I just pull up the unwanted plants leaving just enough for the Bees and Butterflies.

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  • Answered by
    GKH_Susan on
    September 2, 2019
    Certified Expert
    A.

    Yes, you can do that with many cuttings, especially succulents. I've done it with tropical milkweed and it works just fine.

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  • Answered by
    BushDoctor on
    April 15, 2020
    Certified Expert
    A.

    Unfortunately, your photo did not come through. I am unable to see the pest in question.

    They may have formed chrysalises, or the the stage in preparation to become a moth or butterfly!

    In the meantime, here is an article for more information on milkweed care:

    https://www.gardeningknowhow.com/ornamental/flowers/milkweed/growing-milkweed.htm

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  • Answered by
    GKH_Susan on
    April 21, 2020
    Certified Expert
    A.

    Asclepias incarnata attracts egg-laying Monarch females as do most plants in the ascelpias family. The orange one, asclepias tuberosa, is a wonderful perennial as well as Monarch host. It blooms on and off all summer, more so than the other varieties in my opinion. The tuberosa variety doesn't have the milky sap as the other varieties do, so many gardeners prefer it. In my yard, I have found Monarchs seem to be more attracted to the incarnata or the curassavica varities than the tuberosa, however. You can plant several different kinds of milkweed and you might attract more Monarchs. I have not experienced a lot of reseeding but you can collect the mature seeds in the fall and plant them yourself in the spring.

    https://www.gardeningknowhow.com/ornamental/flowers/milkweed/growing-milkweed.htm

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  • Answered by
    GKH_Susan on
    June 1, 2020
    Certified Expert
    A.

    If there is excess nitrogen in the soil the plant may not flower, so do not fertilize milkweed. Also, milkweed may not bloom if the plant is stressed, such as by drought or excessive heat. The caterpillars eat the leaves of the plant, so your milkweed can still be a host plant without flowers.

    Have you identified which kind of milkweed it is? Asclepias tuberosa likes a sunny, dry situation, whereas A.incarnata prefers more moisture. A good website to identify milkweed is monarchwatch.org.

    https://www.gardeningknowhow.com/ornamental/flowers/milkweed/growing-milkweed.htm

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  • Answered by
    GKH_Susan on
    June 10, 2020
    Certified Expert
    A.

    You don't say what variety of milkweed you have, but since they have already formed seed pods, I would say no, they won't bloom again. But the monarchs lay eggs on the milkweed for the caterpillars to eat; flowers are not needed. They can get nectar from another source.

    One variety of milkweed, asclepias tuberosa, does rebloom several times during the summer before producing seed pods. It has bright orange flowers. It lacks the milky sap that many other milkweeds have. Here is more information:

    https://www.gardeningknowhow.com/ornamental/flowers/milkweed/milkweed-plant-varieties.htm

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  • Answered by
    BushDoctor on
    June 10, 2020
    Certified Expert
    A.

    Sorry, we do not sell anything. We only offer gardening information. We can offer some articles on plants that are hosts for butterflies, however:

    https://www.gardeningknowhow.com/garden-how-to/beneficial/plants-for-butterfly-eggs.htm

    https://www.gardeningknowhow.com/ornamental/flowers/lantana/lantana-and-butterflies.htm

    https://www.gardeningknowhow.com/garden-how-to/beneficial/butterfly-container-garden.htm

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  • Answered by
    smgundel@yahoo.com on
    June 11, 2020
    A.

    I live in Florida (zone (). I buy live milkweed plants at Lowe's or Home Depot. Also, a local nursery may ahve some plants. You can access information and milkweed seeds at: livemonarch.com. It's the website for the Live Monarch Educational Foundation. They sell milkweed seeds- very inexpensive at $1 per 50 seeds. The seeds do take a couple of months before they grow to a plant that can be put in the ground.

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