Green Arrow Arum (Peltandra virginica)

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Sunlight Partial to bright indirect sun; tolerates shaded wetland conditions; avoid intense midday sun in hot climates

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Watering Grow in saturated soil or 5–10 cm of standing water; never allow the substrate to dry out completely

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Temperature Thrives in 15–25°C; tolerates brief light frosts but requires protection from hard freezes

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Leaf: Bright green, arrow-shaped basal leaves with smooth margins, up to 60 cm long
Flower: Hooded greenish-white spathe enclosing a cylindrical spadix; lacks showy petals
Fruit: Clustered green berries that ripen to bright red in late summer

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Watering

Maintain consistent 5–10 cm of standing water or fully saturated soil

Fertilization

Diluted aquatic plant fertilizer once monthly. Avoid over-fertilizing to prevent nutrient runoff and algae blooms

Composted banana peel tea：Steep fully composted banana peels in water for 24 hours; dilute 1:20 and apply to saturated soil to avoid burning roots

Pruning

Remove yellowing or damaged leaves to improve plant appearance and reduce decaying matter
Trim spent flower spadices after blooming to prevent water contamination
Thin overcrowded basal growth in spring to enhance airflow and light penetration

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Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; ingestion leads to oral irritation, drooling, vomiting, and difficulty swallowing

Humans: Contains calcium oxalate crystals; ingestion causes oral and throat irritation; mild skin irritation on contact

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Culture: N/A

Usage: Wetland restoration, ornamental water garden plant