Caterpillar Plant (Scorpiurus muricatus)

Caterpillar Plant

Scorpiurus muricatus

Fuzzy caterpillar-like seed pods bring playful charm. Low-growing annual legume; common name: Caterpillar Plant.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; thrives in bright, direct sunlight with light afternoon shade in extreme heat
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Watering Allow the top 2 cm of soil to dry completely between waterings; highly drought-tolerant once established
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Temperature Prefers warm, temperate conditions; avoid exposure to frost which will kill the annual foliage
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Characteristics

  • Leaf: Small, pinnate bright green leaflets arranged alternately along slender stems
  • Flower: Pea-like pale yellow blooms clustered in axillary racemes
  • Fruit: Curved, fuzzy seed pods resembling caterpillars, covered in tiny soft spines
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Care Guide

Watering

Keep soil evenly moist during active growth periods

Fertilization

Diluted balanced liquid feed once every 2 weeks. Minimal fertilization needed; avoid high-nitrogen feeds that promote foliage over flowering

Eggshell powder top dressing:Crush dried eggshells into fine powder; sprinkle 1 teaspoon per pot around the base of the plant and work lightly into topsoil to avoid nutrient runoff
Pruning
  • Trim spent flower stems to encourage prolonged blooming through early summer
  • Pinch back trailing stems to promote a bushier, more compact growth habit
  • Remove yellowing foliage to maintain a tidy appearance and improve airflow
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No recorded toxicity to cats

Humans: No known toxicity to humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental ground cover; rock garden accent; container trailing plant