Rush Milkweed (Asclepias Subulata) is a perennial herb in the Apocynaceae family with easy care difficulty. It requires drought-tolerant watering and full sun light in USDA hardiness zones 8-11. This plant is toxic to cats and dogs — keep it out of reach of pets.

An erect perennial herb with leafless, rush-like stems that bloom clusters of whitish-green flowers.

Rush Milkweed

Rush Milkweed

Asclepias Subulata

An erect perennial herb with leafless, rush-like stems that bloom clusters of whitish-green flowers.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
drought-tolerant
Light
Full Sun
Hardiness Zones
8-11

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:sandy, rocky, well-drained
Indoor:No
Outdoor:Yes
Garden Use:pollinator attraction, drought-tolerant landscaping

Care Calendar

Monthly care tasks for Rush Milkweed

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

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

Rush Milkweed
Rush Milkweed detail

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Taxonomy

Family:Apocynaceae
Genus:Asclepias