Moss Rose (Portulaca grandiflora)

Moss Rose

Portulaca grandiflora

Vibrant blooms open like tiny roses under sun, a low-growing groundcover. Succulent annual; common name: rose moss, sun plant.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Requires full direct sunlight daily to produce blooms; tolerates intense summer sun without scorching
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Watering Allow soil to dry completely between waterings; avoid overwatering to prevent root rot in this drought-tolerant succulent
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Temperature Thrives in warm, sunny conditions; avoid frost and prolonged temperatures below 10°C which will kill the plant
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Characteristics

  • Leaf: Fleshy, cylindrical, bright green succulent leaves adapted to store water
  • Flower: Solitary, rose-like blooms in red, pink, yellow, white, or bicolor; open only in full sunlight
  • Stem: Trailing, fleshy stems that form dense, spreading mats
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Care Guide

Watering

Water thoroughly when top 2–3 cm of soil is completely dry

Fertilization

Diluted balanced feed once every 4 weeks. Avoid over-fertilizing which can reduce bloom production

Eggshell powder topdressing:Crush dried eggshells into fine powder; sprinkle lightly on soil surface and water in to release nutrients gradually
Pruning
  • Deadhead spent blooms regularly to encourage continuous flowering throughout the growing season
  • Trim overgrown trailing stems to maintain a compact, neat mat shape
  • Remove any yellowing or damaged leaves to improve airflow and appearance
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic to cats; no reported toxicity

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

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental groundcover, container accent, rock garden plant; drought-tolerant landscaping for arid regions