Green-flowered milkweed
Antelope horns
Asclepias asperula
plant type:
forb
lifecycle:
perennial
growing season:
NA
Soil
Acceptable Soil Types:
Clay
Loam
Silt
Sand
Gravel
Acceptable Soil conditions:
Location
Min elevation:
3000
Max elevation:
8000
Counties:
Apache
Cochise
Coconino
Gila
Graham
Greenlee
La Paz
Maricopa
Mohave
Navajo
Pima
Pinal
Santa Cruz
Yavapai
Reproduction & Growth
Growth rate:
Moderate
Germination rate:
Fast
Establishment:
Low
Ecological
Best Suited for these Site conditions:
Cold
Best Suited for these Management goals:
Pollinator habitat
Additional Information
Warning!
toxic for some animalsCommercial availability:
Commonly available
NOTES:
preferred by Monarchs; toxic to animals and humans; plant knowing that many will dieCitations:
Kaye et al 2018; Sundell 1994