Rush Milkweed (Asclepias subulata) in the Milkweeds Database

Common names:
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General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Dry Mesic
Dry
Minimum cold hardiness: Zone 8b -9.4 °C (15 °F) to -6.7 °C (20 °F)
Plant Height: 36 - 48 inches
Plant Spread: 24 - 36 inches
Leaves: Evergreen
Other: Drought deciduous
Flowers: Other: Flat white/yellow flowers, neither showy or insignificant.
Flower Color: White
Bloom Size: Under 1"
Underground structures: Taproot
Suitable Locations: Xeriscapic
Wildlife Attractant: Bees
Butterflies
Resistances: Deer Resistant
Rabbit Resistant
Toxicity: Other: Entire plant is toxic, milk can be a skin irritant.
Pollinators: Moths and Butterflies
Bees
Various insects
Miscellaneous: Tolerates poor soil
Goes Dormant

photo by Stan Shebs

Photo gallery:

Comments:
Posted by sheryl (Hot, hot, hot, Feenix, AZ - Zone 9b) on Oct 2, 2013 4:55 PM

Very important plant in the Arizona deserts for Monarch and Striated Queen Butterfly - larval food. Will also grow in California and Northern New Mexico - one source I see says Nevada, but I'm betting it is an annual there.

Very tough plant!

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Discussion Threads about this plant
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Banner for November 6, 2018 by plantmanager by plantmanager Nov 10, 2018 9:58 AM 20
Milkweeds by kuri77 Nov 14, 2014 10:26 AM 8

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