Hoaryleaf ceanothus (Ceanothus crassifolius)

Hoaryleaf ceanothus

Native to the mountains of southern California, the hoaryleaf ceanothus (Ceanothus crassifolius) is a tough, drought-resistant, long-lived shrub ideal for windbreaks, hedges, and erosion control. Its fragrant white flowers attract bees, birds, and butterflies. The flowers and immature fruits were used by indigenous peoples to make a kind of soap while a red dye was concocted from the roots.

Scientific classification

Species

Hoaryleaf ceanothus (Ceanothus crassifolius)

Roses, elms, figs, and allies

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Perennial

Lifespan

Shrub

Plant Type

Early spring, Late winter

Bloom Time

1.8 m to 4.5 m

Plant Height

1.8 m to 3 m

Spread

Evergreen

Leaf type

15 - 35 ℃

Ideal Temperature

Images of Hoaryleaf ceanothus

Distribution of Hoaryleaf ceanothus

Distribution Map

Hoaryleaf ceanothus is indigenous to the chaparral and woodlands of the Mediterranean climate region of North America. Although it is not widely introduced outside its native range, it thrives in similar climates globally where it has been cultivated for ornamental purposes.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Ridges, slopes, chaparral

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Hoaryleaf ceanothus

Every 2-3 weeks

Water

Full sun

Sunlight

15 - 35 ℃

Ideal Temperature

Water: Hoaryleaf ceanothus, native to arid regions, excels in drought tolerance by conserving water. Water every 2-3 weeks, allowing soil to dry between sessions. With a deep root system, hoaryleaf ceanothus efficiently uses available moisture, making it suitable for xeric landscapes.

Fertilize: For optimal growth, hoaryleaf ceanothus requires balanced or high-nitrogen fertilizers applied sparingly in spring and fall. Over-fertilization can harm hoaryleaf ceanothus, so use quarter-strength and avoid fertilizing in peak summer or late fall. Mix with water for application and avoid foliage contact to prevent burn.

Pruning: Hoaryleaf ceanothus features dense, evergreen foliage with small, white to blue flowers. Prune in early to late winter for shape and growth, removing dead branches and thinning crowds for air circulation. Light, periodic trims are preferable to heavy pruning, aiding in disease prevention and vigor.

Propagation: Hoaryleaf ceanothus can be propagated via cuttings from healthy, semi-woody stems, using rooting hormone in well-draining soil. Keep cuttings moist but not waterlogged. Once established, mulching helps retain moisture and minimize weed competition, promoting the plant's vitality and longevity.

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Learn More About Hoaryleaf ceanothus

Sunlight Requirements

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