



Rush milkweed
Asclepias subulata Decne.
- light
- Full sun
- water
- Little
- tall
- 1.4 m
- wide
- 1.4 m
Apocynaceae
When it flowers
Flowers August and October to June in the tropics.
Read from iNaturalist photographs of it in flower. A month counts at 50% of the best month's flowering share (smoothed over three months) and 10% of its flowering count, from at least 100 flowering observations in the band.
If a child, a pet or anyone may have eaten a plant, contact a doctor or vet straight away, or call the National Poisons Information Centre (AIIMS, New Delhi) on 1800 116 117, free and open 24 hours.
Something wrong with it?About it
- Grows as
- Subshrub or shrubKew's checklist, not yet checked
- Climate
- Desert or dry shrublandKew's checklist, not yet checked
- Wild in
- S. Nevada to NW. MexicoKew's checklist, not yet checked
- Light
- Full sun (6 h or more)Read from Southern Nevada Water Authority, one source
- Height
- 91 cm to 1.8 mRead from Southern Nevada Water Authority, one source
- Spread
- 91 cm to 1.8 mRead from Southern Nevada Water Authority, one source
- Water
- Little: takes droughtRead from Southern Nevada Water Authority, one source
- Flowers
- CreamRead from Wikipedia, one source
- Coldest it survives
- -6.7 °C (USDA zone 9a)Read from Southern Nevada Water Authority, one source
Not known yet: heat, hottest it survives.
Grow it with
Suggested by a rule, not by a gardener: same climate (kew), flowering when this plant does not (inaturalist), and a different shape.
Aloe veraFlowers July and September, when this does not
Cochineal Nopal CactusFlowers July and September, when this does not
Desert roseFlowers July and September, when this does not
Erect Prickly PearFlowers July and September, when this does not
Giant milkweedFlowers July and September, when this does not
Mealycup sageFlowers July and September, when this does not
In other languages (4)
- Spanish
- candelilla bronca, Jumate
- root
- najca' azjc
- Russian
- Ваточник шиловидный
- Chinese (China)
- 钻叶马利筋
Where this comes from
- iNaturalist, read 2026-10-25, CC0-1.0 (observation counts)
- Wikidata, read 2026-10-25, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- Southern Nevada Water Authority, read 2026-10-26, fact, cited
- Wikipedia, read 2026-10-25, fact, cited
- Wikimedia Commons, read 2026-10-25, CC BY-SA 3.0
- iNaturalist, read 2026-10-25, CC0
- iNaturalist, read 2026-10-25, CC BY
- iNaturalist, read 2026-10-25, CC BY
- 3D model: Asclepias subulata (built for Vanagrha) by Vanagrha, own
A fact “checked by a majority of its sources” was settled by a vote of the pages it was read from, not by a person reading it; one marked “one source” rests on that page alone. Anything else not marked checked has not been checked yet. Where nothing is known, the page says so rather than guess.