Rock Purslane (Calandrinia spectabilis)

Rock Purslane

Calandrinia spectabilis

Vibrant magenta blooms light up rocky slopes, a hardy desert gem. Succulent flowering perennial; common name: Rock Purslane.

Full sun
1/week
Beginner
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Plant Needs

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Sunlight Requires full sun exposure for optimal blooming; tolerates partial shade but produces fewer flowers in low light
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Watering Allow soil to dry completely between waterings; avoid overwatering to prevent root rot in poorly drained soil
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Temperature Hardy to mild frosts down to 5°C; thrives in warm, arid conditions; protect from prolonged temperatures below 5°C
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Characteristics

  • Leaf: Succulent, linear to spatulate, gray-green, fleshy, arranged in tight rosettes
  • Flower: Bright magenta to pink, daisy-like, 2–3 cm diameter, opens only in full sunlight
  • Stem: Prostrate, trailing, succulent, forms dense, spreading mats
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Care Guide

Watering

Water sparingly when top 5 cm of soil is fully dry; reduce watering during extreme heatwaves

Fertilization

Diluted low-nitrogen feed once every 4 weeks. Use diluted fertilizer to avoid burning succulent foliage and roots

Eggshell powder topdressing:Crush dried, rinsed eggshells into fine powder; sprinkle lightly on soil surface; water in slowly to release calcium gradually
Pruning
  • Trim spent flower stems immediately after blooming to encourage continuous flowering
  • Remove dead or yellowing leaves to maintain a tidy, dense mat
  • Thin overcrowded growth in early spring to improve airflow and reduce pest risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats; no adverse effects reported from ingestion or contact

Humans: No known toxicity to humans; safe for handling and consumption in small quantities

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental rock garden ground cover, container succulent, drought-tolerant landscape plant