Dwarf Restharrow (Ononis mitissima)

Dwarf Restharrow

Ononis mitissima

Silvery foliage softens coastal rock gardens with delicate pea-like blooms. Low-growing perennial subshrub; common name: Dwarf Restharrow.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerant of coastal wind exposure and salt spray
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Watering Allow top 2 cm of soil to dry between waterings; drought-tolerant once established
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Temperature Hardy to -5°C; withstands mild frost and Mediterranean summer heat
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Characteristics

  • Leaf: Small trifoliate leaves with silvery pubescence, oval leaflets up to 1 cm long
  • Flower: Pink to pale purple pea-like blooms, clustered in small axillary groups
  • Stem: Sprawling herbaceous stems with fine hairs, woody basal growth
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Care Guide

Watering

Water regularly during active growth; avoid waterlogging to prevent root rot

Fertilization

Diluted balanced liquid feed once every 4 weeks. Avoid over-fertilization, as it can reduce flower production

Banana peel compost tea:Compost banana peels for 2 weeks, steep in water for 24 hours, dilute 1:20 for root drench; avoid applying to foliage
Pruning
  • Trim back spent flower stems after blooming to encourage a second flush of blooms
  • Remove dead or damaged woody stems in early spring to promote new growth
  • Thin overcrowded stems to improve airflow and reduce pest risk
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA does not list this plant as toxic to cats

Humans: No confirmed toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental rock garden plant; soil stabilization in coastal areas