Purple Milkvetch

(Astragalus hypoglottis)

Purple Milkvetch (Astragalus hypoglottis)

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Climate Requirements

Precipitation 21" - 47"
High Temp. 67°F - 84°F
Low Temp. 24°F - 34°F

Summary

Astragalus hypoglottis, commonly known as Purple Milkvetch or Low Rattlepod, is a perennial herb native to a variety of habitats including dry sandy soils, grasslands, and steppes across Europe. It typically grows to a height of 0.5-1.5 feet (0.15-0.5 meters) and is known for its pinnate leaves and erect, flowering stems. The plant produces showy, purple flowers during the summer months, which are arranged in dense, globular clusters and are highly attractive to pollinators.

Purple Milkvetch is valued for its drought tolerance and ability to thrive in poor soils, making it a suitable choice for rock gardens, xeriscaping, and restoration projects. It is also used in traditional medicine in some cultures. In cultivation, it requires full sun exposure and well-drained sandy or loamy soils. It is a low-maintenance plant. While it is not commonly found in nurseries, it can be propagated by seed. Gardeners should be aware that, like other members of the Astragalus genus, it may be toxic to livestock.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 0.5-1.5 feet
  • Width: 1-2 feet
  • Growth Rate: Moderate
  • Flower Color: Purple
  • Flowering Season: Summer
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Full Sun
  • Drainage: Fast, Medium

Common Uses

Bee Garden, Butterfly Garden, Drought Tolerant, Low Maintenance

Natural Habitat

Native to a variety of habitats including dry sandy soils, grasslands, and steppes across Europe

Other Names

Common Names: Low Rattlepod

Scientific Names: Astragalus hypoglottis, Astragalus dasyglottis var. hypoglottis, Astragalus phacaceus, Astragalus purpureus, Phaca hypoglottis, Solenotus hypoglottis, Tragacantha hypoglottis

GBIF Accepted Name: Astragalus hypoglottis