Sullivant's Milkweed (Asclepias Sullivantii) is a perennial herb in the Apocynaceae family with easy care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 3-8. This plant is toxic to cats and dogs — keep it out of reach of pets.

Asclepias sullivantii, known as Sullivant's Milkweed or Prairie Milkweed, is a perennial forb native to North American prairies, notable for its smooth leaves and pale pink flowers.

Sullivant's Milkweed

Sullivant's Milkweed

Asclepias Sullivantii

Asclepias sullivantii, known as Sullivant's Milkweed or Prairie Milkweed, is a perennial forb native to North American prairies, notable for its smooth leaves and pale pink flowers.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
3-8

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, sandy, gravelly
Indoor:No
Outdoor:Yes
Garden Use:pollinator support, native plant garden, wildlife habitat

Care Calendar

Monthly care tasks for Sullivant's Milkweed

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
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Aug
...
Sep
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Oct
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Nov
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Dec
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Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Sullivant's Milkweed
Sullivant's Milkweed detail

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Taxonomy

Family:Apocynaceae
Genus:Asclepias