Summer Holly

(Comarostaphylis diversifolia)

Summer Holly (Comarostaphylis diversifolia)

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Estimated Native Range
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Summary

Comarostaphylis diversifolia, commonly known as Summer Holly, is an erect evergreen shrub native to the coastal sage scrub and chaparral ecosystems of Southern California and Baja California, Mexico. This plant is adapted to dry, rocky slopes and canyons, often in the presence of coastal influence. Summer Holly typically grows to a height of over 4 meters (13 feet), with a similar spread, and features distinctive gray, shreddy bark. The tough, leathery leaves are oval, sometimes toothed, and a deep green, providing year-round interest.

The inflorescence consists of racemes of small, urn-shaped flowers that resemble those of manzanitas, blooming in the spring and summer. The flowers are typically white to pink and are followed by bright red, bumpy-skinned drupes that are attractive to birds and other wildlife. Summer Holly is valued for its drought tolerance and is often used in native plant gardens, xeriscaping, and as an ornamental shrub in water-conservative landscapes. It requires minimal maintenance once established and is best suited to full sun or part shade conditions, with well-drained soils. While it is generally disease-resistant, it can be susceptible to root rot in poorly drained soils.CC BY-SA 4.0

Plant Description

  • Plant Type: Shrub, Tree
  • Height: 8-10 feet
  • Width: 6-8 feet
  • Growth Rate: Slow
  • Flower Color: White
  • Flowering Season: Spring, Summer
  • Leaf Retention: Evergreen

Growth Requirements

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

Common Uses

Bird Garden, Butterfly Garden, Drought Tolerant, Low Maintenance, Showy Flowers

Natural Habitat

Native to the coastal sage scrub and chaparral ecosystems of Southern California and Baja California, Mexico

Other Names

Common Names: Summer-Blooming Manzanita , Summer-Holly , Mock Arbute , California Comarostaphylos

Scientific Names: Comarostaphylis diversifolia , Comarostaphylis diversifolia var. diversifolia

GBIF Accepted Name: Comarostaphylis diversifolia (Parry) Greene