Pea-Shaped Flowers
Produces clusters of small purple to pinkish-purple flowers characteristic of the legume family.
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Astragalus crassicarpus, commonly known as groundplum milkvetch, is a low-growing perennial wildflower native to parts of central North America. It is recognized for its attractive purple to pinkish-purple pea-shaped flowers and distinctive rounded, plum-like seed pods. This native prairie plant can add botanical interest to wildflower gardens, native plant landscapes, and naturalized garden areas. It grows best in suitable sunny locations with well-drained soil and is valued for its distinctive appearance.
Produces clusters of small purple to pinkish-purple flowers characteristic of the legume family.
Develops rounded, plum-like seed pods that distinguish this species from many other prairie wildflowers.
Forms a relatively low-growing plant suited to naturalized landscapes and native plant gardens.
Offers an opportunity to cultivate a distinctive North American native species in suitable landscapes.
| Scientific Name | Astragalus crassicarpus |
| Common Name | Groundplum Milkvetch; Ground Plum |
| Plant Family | Fabaceae |
| Product Type | Wildflower Seeds |
| Plant Type | Perennial herbaceous wildflower |
| Native Range | Central North America |
| Flower Color | Purple to pinkish-purple |
| Flower Type | Pea-shaped flowers in clusters |
| Fruit Description | Rounded, plum-like pods |
| Growth Habit | Low-growing, spreading perennial |
| Sunlight Requirements | Full sun to partial shade, depending on local conditions |
| Soil Requirements | Well-drained soil suited to native prairie plants |
| Watering | Moderate moisture during establishment; avoid waterlogged soil |
| Planting Season | Fall or spring, depending on local climate and seed treatment requirements |
| Germination Time | Variable; depends on seed viability and pretreatment |
| Germination Requirements | May require scarification because of hard seed coats; follow supplier instructions |
| Growing Location | Native plant gardens, prairie restorations, and naturalized landscapes |
Astragalus crassicarpus brings distinctive prairie character to native plant gardens with its purple-pink flowers and rounded groundplum pods. This low-growing perennial is an interesting choice for gardeners who appreciate North American wildflowers. With suitable seed preparation, well-drained soil, and appropriate growing conditions, it can become a distinctive addition to a native plant collection.
Learn about groundplum milkvetch seed preparation, its unusual fruit, and suitable growing conditions.
Groundplum milkvetch seeds may have hard seed coats that restrict water absorption. Depending on the seed lot, careful scarification or another recommended pretreatment may improve germination. Follow the supplier's instructions, sow in well-drained soil, and maintain suitable moisture without waterlogging.
The plant develops distinctive rounded pods that resemble small plums, giving it the common name groundplum milkvetch. These pods contain seeds and are a notable identifying feature of the species. Do not assume that the pods are edible without reliable, species-specific confirmation.
Astragalus crassicarpus is associated with prairie and open habitats in central North America. It generally favors sunny locations and well-drained soil. Choose a planting site that matches the species' native growing conditions, and consider local climate suitability before cultivating it outside its native range.