Coast Silver Oak

(Brachylaena elliptica)

Coast Silver Oak (Brachylaena elliptica)

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Climate Requirements

Precipitation 19" - 37"
High Temp. 78°F - 82°F
Low Temp. 44°F - 51°F

Summary

Brachylaena elliptica, commonly known as Bitterleaved Silver-Oak, is an evergreen shrub or small tree native to the coastal forests and woodlands of Southern Africa, particularly in South Africa and Mozambique. It exhibits a moderate growth rate and typically reaches a height of 6-25 feet (1.8-8 meters) with a similar spread of 6-15 feet (1.8-4.6 meters). The plant features dense foliage with a silvery underside, giving it a distinctive appearance. Its small, cream-colored flowers bloom in spring and are not particularly showy, but they do attract pollinators. The bark is rough and dark, adding to its visual interest.

Bitterleaved Silver-Oak is valued for its silvery foliage, which provides a striking contrast in the garden, and its adaptability to coastal conditions, including salt spray and wind. It is often used for hedges, screens, and as a windbreak in coastal gardens. Additionally, it is drought-tolerant once established, making it suitable for xeriscaping. It thrives in full sun to part shade and prefers well-drained sandy or loamy soils. While it requires medium amounts of water, it can tolerate periods of drought. Gardeners should be aware that it may require pruning to maintain a desired shape and to prevent it from becoming too leggy.CC BY-SA 4.0

Plant Description

  • Plant Type: Shrub
  • Height: 6-25 feet
  • Width: 6-15 feet
  • Growth Rate: Moderate
  • Flower Color: Cream
  • Flowering Season: Spring
  • Leaf Retention: Evergreen

Growth Requirements

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

Common Uses

Bird Garden, Low Maintenance

Natural Habitat

Coastal forests and woodlands of Southern Africa, particularly in South Africa and Mozambique

Other Names

Common Names: Silver Oak, Coast Silver Oak

Scientific Names: Bitterleaf

GBIF Accepted Name: Brachylaena elliptica