Green Comet Milkweed
Asclepias viridiflora
Last reviewed: June 2026
Green Comet Milkweed is toxic to dogs and cats.
Listed as toxic by the ASPCA Animal Poison Control Center (last reviewed 2026-05-21). If your pet has been exposed, call the ASPCA Animal Poison Control Center at (888) 426-4435and your veterinarian's emergency line.
Pollinator Patch flags toxic plants so you can choose a pet-safe native alternative for your yard.
Light
full sun
Water
low
Size
12"–36" H × 6"–18" W
Bloom
Jun, Jul, Aug
Native to
AL, AR, AZ, CO and 33 more states
Pollinators
bees, butterflies, beetles
Browse plants for this ecoregion
Green comet milkweed is a compact native perennial with small, inconspicuous greenish flowers that bloom through summer. It forms neat clumps and tolerates drought well once established, making it a low-maintenance choice for sunny areas.
In an HOA neighborhood
Green Comet Milkweed is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
- Flowers are very small and may not provide obvious ornamental impact
Wildlife value
Host plant for monarch butterfly, milkweed tussock moth.
This milkweed species supports monarch butterflies as a host plant for caterpillars. The flowers attract various native bees, butterflies, and beneficial beetles throughout the summer months.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Pollinator Patch flags toxic plants like Green Comet Milkweed and shows pet-safe natives for your ecoregion instead.