Polycarpon-like Polycarpon (Polycarpon polycarpoides)

Polycarpon-like Polycarpon

Polycarpon polycarpoides

Its delicate mat forms a subtle tapestry on sandy soils. Low-growing herbaceous perennial in the Caryophyllaceae family, notable for its tiny white blooms.

Full sun
1/week
Beginner
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Plant Needs

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Sunlight Prefers full sun exposure to partial shade.
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Watering Requires minimal watering once established; drought-tolerant.
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Temperature Thrives in mild climates; tolerates seasonal temperature swings.
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Characteristics

  • Leaves: Opposite, elliptic to oblanceolate, 5–20 mm long, margins entire, glabrous or slightly pubescent.
  • Flowers: Minute, white, borne in small cymes; petals often shorter than sepals, sepals 2.5–4 mm hairy or glabrous.
  • Stems: Prostrate to ascending, slender, branched from base, forming mats.
  • Fruit: Capsule with several seeds, opening by valves.
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Care Guide

Watering

Water sparingly, once a week if no rainfall

Fertilization

Light application of organic compost. Over-fertilization unnecessary; thrives in low-nutrient soils.

Coffee grounds:Dry used coffee grounds; mix thinly into topsoil to avoid mold and excess acidity.
Pruning
  • Remove any dead or damaged stems to maintain appearance.
  • Limit spread if necessary by trimming edges.
  • Prune after flowering to encourage denser growth.
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: No ASPCA listing; no known toxicity from micro-ingestion.

Humans: No specific toxicity reported; considered safe for minimal contact and incidental ingestion.

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Garden Uses & Culture

Culture: N/A

Usage: - Ground cover on sandy soils in gardens and restoration projects. - Can help stabilize soil in arid areas.