White Osyris (Osyris alba)

White Osyris

Osyris alba

Its silvery foliage glows in arid sun, a quiet desert survivor. Evergreen shrub; common name: White Osyris.

Full sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; tolerant of intense arid sunlight; avoid prolonged full shade
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Watering Water deeply but infrequently; drought-tolerant, allow soil to dry completely between waterings to prevent root rot
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Temperature Hardy to mild frosts (down to 5°C); thrives in warm, arid to semi-arid temperature ranges
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Characteristics

  • Leaf: Small, linear to lanceolate, silvery-green, leathery texture with rolled margins
  • Flower: Tiny, creamy-white, fragrant axillary clusters
  • Stem: Slender, woody stems with grayish-brown, peeling bark
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Care Guide

Watering

Water every 7–10 days; saturate soil fully then allow to dry

Fertilization

Diluted low-nitrogen feed once every 2 months. Use diluted, balanced organic feed to avoid overfertilizing sensitive roots

Eggshell powder topdress:Crush dried eggshells to fine powder; sprinkle lightly on soil surface to boost calcium levels without causing nutrient buildup
Pruning
  • Trim back leggy stems in early spring to maintain compact, bushy shape
  • Remove dead or damaged branches to improve airflow and reduce disease risk
  • Avoid heavy pruning; preserve the plant's natural open growth habit
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: No documented toxicity to cats (ASPCA unlisted, no known harmful compounds)

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental silvery foliage; erosion control in arid landscapes