Saltmarsh Sand Spurry (Spergularia marina)

Saltmarsh Sand Spurry

Spergularia marina

Fleshy coastal ground cover with tiny delicate blooms. Low-growing herbaceous annual; common name: Sea Sandwort.

Full sun
2–3/week
Beginner
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Plant Needs

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Sunlight Full sun to partial sun; tolerant of coastal salt spray and windy conditions
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Watering Keep soil consistently moist; tolerant of mildly saline irrigation water
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Temperature Hardy to light frosts; thrives in cool to temperate coastal climates
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Characteristics

  • Leaf: Narrow, linear, fleshy leaves arranged in whorls at stem nodes to store moisture
  • Flower: Small, five-petaled blooms in white to pale pink clusters
  • Stem: Slender, trailing or ascending branching stems with fine hairs
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Care Guide

Watering

Maintain consistent soil moisture; avoid prolonged dryness

Fertilization

Diluted balanced feed once monthly. Use low-nitrogen feed to promote flowering over foliage growth

Banana peel tea:Soak chopped banana peels in water for 3 days; dilute 1:20 for root drench to support flower production
Pruning
  • Trim back spent flower stems to encourage continuous blooming
  • Remove yellowing or damaged foliage to maintain a tidy mat
  • Thin overcrowded stems to improve airflow and reduce disease risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No listed toxicity to cats

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Coastal erosion control, rock garden ground cover, salt-tolerant ornamental