Last updated on October 3rd, 2022 at 05:54 pm
This is part of a series of posts on our Monarch Butterfly Restoration Project.
Calling all nature nuts and monarch butterfly enthusiasts! You can help save the beautiful orange & black monarch butterfly from extinction. It’s easy and you can do it no matter where you live, whether that’s a Manhattan apartment, a suburban ranch or an organic horse farm in Vermont.
Milkweed: If You Plant It, They Will Come
Milkweed is the monarch’s elixir of life. Adult butterflies drink nectar from the milkweed flower and lay their eggs ONLY on milkweed plants. Monarch caterpillars have but one source of food & habitat: milkweed. Milkweed has nearly been wiped off the landscape of North America by the widespread use of the herbicide Round Up (aka glyphosphate) on farms and in yards and gardens. Without these previous locations of food/habitat, the butterflies are looking desperately for alternate sources of milkweed. So if you plant it, they will come.
Get the Right Milkweed Seeds
There are about 100 species of milkweed throughout North America and it’s extremely important to get seeds that are indigenous to your location. The Xerces Society has a Milkweed Seed Finder to help you. If you live in Vermont, NH or anywhere common milkweed (Asclepias syriaca) is indigenous, you can contact us through Facebook and we’ll send you some of our seeds.
Prepare & Plant the Seeds
Last year we planted about 100 milkweed seedlings using this vernalization method (scroll to bottom of page) and nearly every seed germinated. Highly recommended if you have time (and room in your fridge). This year we’re planting 1000 seedlings so we’re trying a few other methods as well (including scarification and shocking the seeds by putting them in the fridge and then soaking them in warm water). It’s probably worth noting that, unlike Mother Nature I have had little success by just scattering the seeds.
You don’t have to plant 100 or 1000 seeds but plant a patch (at least a dozen). A monarch butterfly can lay hundreds of eggs but typically only 1 egg/milkweed plant. So if she’s going to stop at your place, make it worth her while.
Nurture & Transplant the Seedlings
If you have a nursery that stocks milkweed plants, you can skip the seed part. Make sure you get organic seedlings though as many nurseries are selling plants grown and/or treated with pesticides that will kill monarchs. When the seedlings are 3-6″ tall and the risk of frost is gone, you can transplant outside to your garden or some pots. Plant the milkweed in full sun next to nectar flowers so your butterflies will have something to eat after they emerge from the chrysalis. Check out Monarch Watch’s tips for growing milkweed.
Harvest Seeds From Your Milkweed Plants & Give Them Away
In the fall, after your butterflies have migrated south to Mexico, harvest next years seeds from your milkweed plants. Give them to all your friends.
Rinse & Repeat
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