Growing Swamp Milkweed From Seed. Asclepias incarnata requires at least 30 days of cold stratification before it will germinate. Like most milkweeds swamp milkweed is most commonly grown from seed rather than cuttings.
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My method for germinating milkweed seeds works with pretty much any type of milkweed seed. Growing swamp milkweed from seed. As low as 4 95.
Alternatively you could direct sow in the fall or winter sow the seeds.
Germinating swamp milkweed seeds. How to germinate milkweed seeds the key steps. Asclepias incarnata commonly known as swamp milkweed rose or pink milkweed swamp silkweed or rose milkflower is an herbaceous perennial and part of the apocynaceae family dogbanes. I generally winter sow as that is the easiest if you are trying to get a set number of plants.
