Fabaceae
Canada milk-vetch
Astragalus canadensis
Also known as Phaca canadensis, Solenotus canadensis, Canada milkvetch, Tragacantha canadensis
Flowering Plants · Native Plants · Native · Wildflower · Legume · Nitrogen-Fixing · Perennial · Prairie · Woodland · Pollinator · Milk-Vetch
Canada milk-vetch thrives in moist to average soils with partial shade and is well suited for native wildflower gardens or woodland edges. As a nitrogen-fixing legume, it benefits surrounding plants and requires minimal fertilization. Water regularly during establishment but it is relatively low-maintenance once settled.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water deeply to moisten the root zone, then allow the top inch of soil to dry before watering again · Every 7-10 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 6–8
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 10 ft – 30 ft
- Spread
- 15 ft
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- Mixed
- Foliage
- Green · Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Alabama, Arkansas, British Columbia, California, Colorado, Connecticut, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Michigan, Minnesota, Mississippi, Missouri, Montana
- Attracts
- Bees, Butterflies, Hummingbirds
Sources: trefle, usda
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