Prostrate Kowhai (Sophora prostrata)

Prostrate Kowhai

Sophora prostrata

Its zigzagging wiry stems create a living geometric sculpture. Evergreen dwarf shrub; other names: Little Baby.

Prefers bright indirect light to full sun; requires ample light to maintain its dense, zigzagging growth habit.
1/week
Moderate
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Plant Needs

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Sunlight Prefers bright indirect light to full sun; requires ample light to maintain its dense, zigzagging growth habit.
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Watering Moderate water needs; allow the top inch of soil to dry out completely between waterings.
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Temperature Thrives in moderate temperatures; frost tender and should be protected from freezing drafts.
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Characteristics

  • Leaves: Tiny, pinnate leaves with 4-8 pairs of small leaflets, sparsely arranged along the stems;
  • Stems: Distinctive zigzagging (divaricating) wiry branches, yellowish-brown to orange in color;
  • Flowers: Small, solitary or paired, pea-like flowers, yellow to orange-yellow;
  • Fruit: Small, winged seed pods containing hard seeds.
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Care Guide

Watering

Water thoroughly when the topsoil feels dry.

Fertilization

Apply a balanced, diluted liquid fertilizer.. Feed sparingly, as it is a slow grower.

Banana Peel Tea:Soak chopped banana peels in water for 24 hours, strain, and dilute 1:1 with water. Helps strengthen the wiry stems. Avoid leaving raw peels on the soil to prevent gnats.
Pruning
  • Prune lightly in late winter or early spring to maintain its compact, bonsai-like shape;
  • Remove any dead or crossing branches to highlight the architectural zigzag structure;
  • Avoid heavy pruning, as it grows slowly.
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: Toxic per general Fabaceae alkaloid profiles; ingestion causes vomiting, diarrhea, and lethargy.

Humans: Contains quinolizidine alkaloids (like cytisine) which can cause gastrointestinal and neurological distress if ingested.

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Garden Uses & Culture

Culture: Popularized in European and American horticulture as a unique architectural houseplant and modern minimalist bonsai subject.

Usage: - **Ornamental**: Grown as a striking container plant, indoor bonsai, or rock garden specimen in mild climates.