Syrian Rockrose (Helianthemum syriacum)

Syrian Rockrose

Helianthemum syriacum

Dainty golden blooms light up rocky slopes, a tough alpine beauty. Evergreen low-growing shrub; common name: Syrian Rockrose.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun exposure required for prolific blooming; tolerates reflected heat and dry conditions
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Watering Drought-tolerant; water deeply but infrequently, allow soil to dry completely between waterings
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Temperature Hardy to moderate frost; withstands hot, dry Mediterranean summer temperatures
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Characteristics

  • Leaf: Small, linear to oblong, gray-green, densely hairy to reduce water loss
  • Flower: Bright golden-yellow, 5-petaled, cup-shaped, short-lived but profuse
  • Stem: Woody, trailing, forming tight mats over rocky terrain
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Care Guide

Watering

Water deeply once every 7–10 days during active growth

Fertilization

Optional diluted low-nitrogen feed once in early growth. Excess fertilizer may reduce blooming and promote leggy growth

Crushed eggshell powder:Sprinkle lightly on soil surface to improve drainage and add calcium; avoid direct contact with foliage to prevent burning
Pruning
  • Deadhead spent blooms to encourage extended flowering through early summer
  • Trim back leggy stems in early spring to maintain a compact mat form
  • Remove dead or damaged growth to improve air circulation and reduce disease risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No documented toxicity to cats

Humans: No known toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental rock garden plant; xeriscaping for water-efficient landscapes