Lesser Sea-spurrey (Spergula diandra)

Lesser Sea-spurrey

Spergula diandra

Delicate, tiny white blooms carpet coastal sands with quiet charm. Annual herbaceous wildflower; common name: Lesser Sea-spurrey.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Requires full sun exposure; tolerates coastal salt spray and windy coastal conditions
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Watering Water moderately; adapts to dry sandy soils but avoid prolonged drought stress
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Temperature Hardy to mild frost; thrives in cool temperate coastal climates
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Characteristics

  • Leaf: Narrow, linear, fleshy leaves arranged in whorls along slender stems
  • Flower: Tiny five-petaled white blooms, clustered at stem apices
  • Stem: Slender, branching, prostrate to ascending stems with fine hairs
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Care Guide

Watering

Keep soil slightly moist during active growth periods

Fertilization

No regular fertilization required; avoid nutrient-rich amendments. Nutrient-poor soils support natural growth habits

Crushed eggshell powder:Mix finely crushed eggshells into topsoil to improve drainage and add mild calcium; avoid overapplication to prevent soil alkalinity spikes
Pruning
  • Deadhead spent blooms to encourage extended flowering through early summer
  • Trim back faded foliage after growing season to tidy coastal planting areas
  • Remove damaged or yellowing stems to maintain plant health and airflow
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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: N/A