Canyon Larkspur

(Delphinium nudicaule)

Canyon Larkspur (Delphinium nudicaule)

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Estimated Native Range
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Summary

Delphinium nudicaule, commonly known as Canyon Larkspur or Red Larkspur, is a perennial herb native to the open woodlands and chaparral of low-elevation canyons and slopes in California and Oregon, typically below 6,500 feet. It reaches a modest height of 1-2 feet (30-60 cm) and spreads about 1 foot (30 cm) wide. Canyon Larkspur is characterized by its thin, long stems and finely dissected leaves, which create an airy, delicate texture in the garden. The plant produces vivid red to orange tubular flowers from late spring to early summer, which are highly attractive to hummingbirds and beneficial for pollination.

Canyon Larkspur is valued for its striking flower color and its ability to attract wildlife, particularly hummingbirds. It is used in native plant gardens, borders, and as part of pollinator-friendly plantings. This species prefers well-drained soils and is drought-tolerant once established, making it suitable for xeriscaping. It thrives in full sun to part shade conditions. While it is relatively low-maintenance, it can be susceptible to powdery mildew and snails, especially in humid or overly moist conditions. Gardeners should be aware that all parts of the plant are toxic if ingested, and it should be handled with care due to its potential skin irritants.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 1.5-2 feet
  • Width: 0.5-2 feet
  • Growth Rate: Slow, Moderate
  • Flower Color: Orange, Red
  • Flowering Season: Spring, Summer
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Full Sun, Part Shade
  • Water: Medium
  • Drainage: Fast, Medium

Common Uses

Bee Garden, Border Plant, Butterfly Garden, Low Maintenance, Potted Plant, Rock Garden

Natural Habitat

Native to the open woodlands and chaparral of low-elevation canyons and slopes in California and Oregon

Other Names

Common Names: Red Larkspur, Canyon Delphinium, Scarlet Larkspur, Canyon Larkspur

Scientific Names: , Delphinium nudicaule, Delphinastrum nudicaule, Delphinium armeniacum, Delphinium decorum var. nudicaule, Delphinium nudicaule f. elatius, Delphinium nudicaule var. elatium, Delphinium nudicaule var. foliosum, Delphinium sarcophyllum,

GBIF Accepted Name: