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Milkweed Plants

Q.The Article On Swamp Milkweeds Help Me Differentiate Between My Swamp And Showy Milkweeds. One Thing Was Incorrect Swamp Milkweeds

Zone Williston, VT | yourauntzoe1 added on August 14, 2020 | Answered

do not have tap roots and only spreads from seeds. Common milkweeds have tap roots and spread from underground. I just don’t want others to get discouraged thinking they are invasive. They grow in my zone 4. Thanks.

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Certified GKH Gardening Expert
Answered on August 14, 2020

I found two reputable sources that said swamp milkweed had a shallow, fibrous root system. That is basically what the article says; there is no mention of a taproot. The clump would increase by the spreading roots as noted. I don't think that will scare anyone off.

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