15 Astragalus convallarius Seeds Whisk Broom Milkvetch Native Perennial Wildflower Prairie

Astragalus convallarius, commonly known as Whisk Broom Milkvetch, is a native perennial wildflower valued for its delicate form and nitrogen-fixing qualities. This species offers fine-textured foliage and soft blooms that bring a natural, meadow-like character to native plantings and low-maintenance landscapes.
Grow it in prairie gardens, pollinator habitat, rock gardens, or xeriscape borders where a resilient, drought-tolerant perennial is desired. Its sprawling to upright habit makes it useful as a ground cover or accent among grasses and other natives.
Species: Astragalus convallarius
Type: Perennial wildflower
Plant Habit: Upright to sprawling
Sun: Full sun to partial shade
Soil: Well-drained, sandy or rocky soil
Zones: 3 to 8
Germination: Scarification recommended; cold stratification may improve results
Sowing: Surface sow, lightly press into soil
Spacing: 12 to 18 inches
Notes: Drought tolerant once established