Whitemouth Dayflower (Commelina erecta)

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Sunlight Full sun to partial shade; tolerates dappled shade in hot, arid regions to prevent leaf scorch

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Watering Keep soil evenly moist; allow the top 1 cm of soil to dry between waterings to avoid root rot

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Temperature Thrives in warm temperate to tropical conditions; protect from frost below 10°C to prevent foliage damage

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Leaf: Linear to lanceolate, bright green, smooth margins, 5–15 cm long
Flower: Three petals; two large blue upper petals, one small white lower petal; individual blooms last only one day
Stem: Slender, succulent, branching, may root at nodes when trailing along soil

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Watering

Water regularly to maintain consistent soil moisture during active growth

Fertilization

Diluted balanced liquid feed every 2 weeks. Discontinue fertilization in autumn as growth slows

Banana peel tea：Steep dried banana peels in water for 24 hours, dilute 1:20 with water for root drench; avoid raw peels to prevent pest infestations

Pruning

Deadhead spent blooms regularly to encourage continuous flowering throughout the growing season
Trim back leggy, overgrown stems in early spring to promote bushier, compact growth
Remove yellowing or damaged foliage to improve airflow and reduce disease risk

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Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic to cats; no known adverse effects from ingestion

Humans: Non-toxic to humans; young leaves may be eaten in small quantities as a wild green

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Culture: N/A

Usage: Ornamental wildflower; edible young leaves in small quantities as a mild-tasting green