Egyptian Rockrose (Helianthemum aegyptiacum)

Egyptian Rockrose

Helianthemum aegyptiacum

Its golden blooms glow like desert sunshine over rocky slopes. Low-growing evergreen shrub; common name: Egyptian Rockrose.

Full sun
1/week
Beginner
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Plant Needs

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Sunlight Requires full sun exposure for abundant flowering; tolerates partial shade but produces fewer blooms
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Watering Drought-tolerant; water deeply only when the top 5–7 cm of soil is completely dry to avoid root rot
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Temperature Hardy to mild frosts; thrives in warm, dry conditions; avoid prolonged exposure to temperatures below 5°C
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Characteristics

  • Leaf: Small, silvery-grey, oblong to lanceolate leaves with dense pubescence for drought tolerance
  • Flower: Bright golden-yellow, five-petaled blooms that open in full sun
  • Stem: Slender, trailing stems that root at nodes to form dense, spreading mats
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Care Guide

Watering

Water deeply once weekly during active growth; allow soil to fully dry between waterings

Fertilization

Diluted balanced liquid feed once monthly. Use low-nitrogen feed to prioritize flower production over foliage growth

Eggshell powder topdress:Crush clean, dried eggshells into fine powder; sprinkle lightly over soil surface to improve drainage and add calcium without risk of odor or pests
Pruning
  • Trim back leggy stems immediately after flowering to maintain a compact, mat-forming shape
  • Remove dead or yellowed foliage in early spring to encourage new growth
  • Thin overcrowded mats to improve airflow and reduce the risk of fungal disease
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic to cats; no reported toxicity from ingestion

Humans: Non-toxic to humans; no known adverse effects from ingestion or contact

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Garden Uses & Culture

Culture: N/A

Usage: Ground cover for erosion control, rock garden ornamental, xeriscaping plant