Grape Soda Lupine

(Lupinus excubitus)

Grape Soda Lupine (Lupinus excubitus)

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Estimated Native Range
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Summary

Lupinus excubitus, commonly known as Grape Soda Lupine, is an evergreen subshrub or shrub native to the chaparral and open woodlands of California, Northwestern Mexico, and Nevada. It typically grows to a height of 3-5 feet (0.9-1.5 meters) with a similar spread. The plant’s gray-green foliage and fan-shaped leaves, which may cluster at the base, give it a distinctive appearance. Its raceme inflorescence features a tall stalk of rich purple flowers, each with a bright yellow spot, and blooms from late winter to early summer. The flowers are highly aromatic, with a scent reminiscent of grape soda. The fruit is a silky legume pod containing mottled brown seeds.

Grape Soda Lupine is valued for its drought tolerance and the striking color and fragrance of its flowers, making it a favorite for xeriscaping, native plant gardens, and naturalized areas. It is also used to attract pollinators such as bees and butterflies. This lupine prefers full sun exposure and thrives in well-drained soils, requiring minimal water once established. While generally low-maintenance, it can be susceptible to fungal diseases if conditions are too moist. It is important to note that Lupinus species can be toxic to livestock and pets if ingested.CC BY-SA 4.0

Plant Description

  • Plant Type: Subshrub, Shrub
  • Height: 2-3 feet
  • Width: 3-5 feet
  • Growth Rate: Rapid
  • Flower Color: Purple
  • Flowering Season: Spring, Fall, Summer
  • Leaf Retention: Evergreen

Growth Requirements

  • Sun: Full Sun
  • Water: Low
  • Drainage: Medium, Fast

Common Uses

Bee Garden, Bird Garden, Butterfly Garden, Deer Resistant, Drought Tolerant, Fragrant, Groundcover, Hummingbird Garden, Low Maintenance, Rabbit Resistant, Showy Flowers

Natural Habitat

Native to the chaparral and open woodlands of California, Northwestern Mexico, and Nevada

Other Names

Common Names: Inyo Bush Lupine

Scientific Names: , Lupinus excubitus, Lupinus excubitus subsp. excubitus,

GBIF Accepted Name: Lupinus excubitus M.E.Jones