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Swamp milkweed, Asclepias incarnata seeds

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Botanical name: Asclepias incarnata. Start the seeds in a week using water germination or sow in the fall for a more natural method called cold moist stratification. Either way the monarch butterfly will appreciate having this milkweed available.


Location/Date

South Dakota/2020 is an Asclepias incarnata packet that contains one gram of seeds.

Utah/2021 is an Asclepias incarnata packet collected in a roadside marsh North of Salt Lake City Utah that contains 25 seeds.

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Video: Swamp Milkweed seeds - South Dakota/2020

Family

Apocynaceae

Genus

Asclepias

Species

Incarnata

Growth Habit

Life Expectancy: Perennial
​USDA Plant Hardiness Zone: 3-11 (-40ºF to 45ºF)
Light Requirement: Full sun to part shade.
Mature Height: 3 feet. Can reach 5 feet.
Bloom Colors: Pink and White.
Propagation: Seed.
Root Description: Fibrous.
Root Spread: Clump forming. Additional stems form from predictable center.
Container: Yes, with sufficient water. 2 gallon minimum size.