Missouri Milkvetch
Astragalus missouriensis
Hosts 2 caterpillarsPollinator plantNitrogen fixer
(c) Matt Lavin, some rights reserved (CC BY-SA)
Growing it
| Type | wildflower |
|---|---|
| Sun | Full sun |
| Water | Low |
| Soil | pH 6.5–8 |
| Hardiness | zone 3–7 |
| Mature height | 0.2 m |
| Mature spread | 0.45 m |
| Spacing | 0.3 m |
| Years to maturity | 3 |
| Bloom | May–Jun |
| Flower colour | Purple not verified |
| In bloom | May June |
| Fruit | Jul–Aug |
| Native to | AB, SK |
feather-compound leaves about 10 cm long
Documented animals
5 documented relationships.
nectar for
- Bear-like Digger Bee Specimen records from iNaturalist.org
- Brown-belted Bumble Bee Specimen records from www.bumblebeewatch.org
- Nevada Bumble Bee Specimen records from www.bumblebeewatch.org
caterpillar host for
- Silvery Blue Acorn & Sheldon 2006
- Western Tailed-Blue Acorn & Sheldon 2006
Where it has been recorded
- Fescue Grassland south AB: 386 occurrence records, high confidence
- Mixed Grassland south AB / SK: 310 occurrence records, high confidence
- Moist Mixed Grassland south AB / SK: 254 occurrence records, high confidence
- Aspen Parkland central AB / SK: 107 occurrence records, high confidence
- Northern Continental Divide south AB: 11 occurrence records, medium confidence
- Cypress Upland south AB / SK: 9 occurrence records, medium confidence
A range seen three times is not the same claim as one seen three hundred, so the count travels with the region. Boundaries digitised from the National Ecological Framework for Canada v2.2 (Ecological Stratification Working Group 1995), simplified to about 900 m for display: an outline is accurate to roughly a kilometre, not to the metre.
Also worth knowing
Safety
Low toxicity to pets
Buying it
price: about $8–$16 per plant (estimate); availability: native specialist; notes: Estimate (herb default); AB retail as of 2026
Where these numbers came from
- Flower detail: not verified, a genus-level estimate