Many-fruited Mimosa (Mimosa polycarpa)

Many-fruited Mimosa

Mimosa polycarpa

Fine fern-like leaves fold at touch, a playful nod to sensitivity. Woody flowering shrub.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Thrives in full sun for optimal flowering; tolerates partial shade in hot, arid climates to prevent leaf scorch
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Watering Water deeply when the top 2–3 cm of soil is dry; avoid overwatering to reduce risk of root rot
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Temperature Prefers warm subtropical temperatures; protect from frost below 10°C to prevent foliage damage
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Characteristics

  • Leaf: Bipinnate, fern-like compound leaves that fold when touched; bright green, delicate texture
  • Flower: Round, fluffy pale pink to lavender inflorescences clustered at stem tips
  • Stem: Slender, branching woody stems with small sharp thorns for defense
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Care Guide

Watering

Keep soil consistently moist but not waterlogged; increase frequency during hot, dry spells

Fertilization

Feed with balanced diluted liquid fertilizer every 2 weeks. Avoid over-fertilizing to prevent excessive foliage growth at the expense of blooms

Banana peel compost tea:Use fully composted banana peels; steep in water for 24 hours, dilute 1:20 for root drench; avoid raw peels to prevent pest infestations
Pruning
  • Remove dead or damaged stems in early spring to stimulate new growth
  • Thin overcrowded branches to improve airflow and light penetration
  • Trim spent flower heads after blooming to maintain compact shape and encourage reblooming
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No known toxic effects for cats

Humans: Contains low levels of tannins; may cause mild gastrointestinal upset if large quantities of leaves are ingested

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Garden Uses & Culture

Culture: Symbolizes sensitivity and responsiveness due to its touch-sensitive leaf-folding trait

Usage: Ornamental garden shrub; attracts pollinators including bees and butterflies