|Asclepias sullivantii (Prairie Milkweed) Wildflower Seeds Be the first one to write a review|
Origin: US Native Wildflower
Other Common Names: Sullivant's Milkweed, Smooth Milkweed
Bloom Time: Summer
Height: 24 in to 36 in
Spacing: 15 in to 24 in
Light: Full Sun
Soil Moisture: Medium
USDA Zone: 4a-9b
Germination: Fall plant or cold stratify at 40F for 2 to 3 months, then move to 70F. Some seeds may take two seasons to sprout.
Seeds Per Oz: 3900
This native wildflower, though it has become rare in some areas, thrives in midwestern American prairies; it typically grows in moist areas, meadows, or thickets. This speciesí Latin name, sullivantii, honors noted 19th century American botanist William Starling Sullivant. At one time, the silk from this plantís seed pods was spun for fabric or used for stuffing pillows; in World War II, school children gathered the silk to provide a cheap filling for soldiersí life jackets. Commercial attempts to make use of this abundant plant included the manufacture of paper, fabric, lubricant, fuel, and rubber; eventually these became impractical and were abandoned. Though this plant is toxic to most animals, butterflies are immune to the plantís poison and actually become rather poisonous themselves as protection from predators.
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