Rain Tree (Albizia saman)

Rain Tree

Albizia saman

A majestic, wide-canopied shade tree known for its fern-like leaves that fold in the rain. Deciduous tree; other names: Monkeypod, Samanea saman.

Requires full sun for optimal canopy development and symmetrical growth.
1/week
Easy
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Plant Needs

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Sunlight Requires full sun for optimal canopy development and symmetrical growth.
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Watering Drought-tolerant once established; requires deep, infrequent watering.
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Temperature Thrives in tropical and subtropical climates; highly frost-sensitive.
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Characteristics

  • Leaves: Bipinnately compound, leaflets rhombic-oblong, exhibiting nyctinasty (folding at night or during rain);
  • Flowers: Umbel-like inflorescences with numerous long, showy pink and white stamens resembling powder puffs;
  • Bark: Grayish-brown, rough and deeply fissured in older trees;
  • Fruit: Dark brown to blackish indehiscent pods, 10-20 cm long, containing sweet, sticky brown pulp.
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Care Guide

Watering

Water deeply once a week for young trees; mature trees rely entirely on rainfall.

Fertilization

Apply a layer of compost or organic mulch around the base of young trees.. Mature trees fix their own nitrogen and rarely require supplemental feeding.

Compost Tea:Steep vegetable scraps and coffee grounds in water for a few days, strain, and use the liquid to water young saplings. Avoid using uncomposted materials directly on the roots to prevent odor and pests.
Pruning
  • Prune young trees to establish a strong, single central leader;
  • Remove dead, diseased, or crossing branches during the dry season;
  • Ensure clearance pruning for vehicles or pedestrians if planted near pathways or roads.
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: Non-toxic to cats per ASPCA guidelines; no known severe hazards.

Humans: Generally safe; the sweet pulp inside the pods is sometimes consumed locally, though not a staple food.

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Garden Uses & Culture

Culture: Highly valued in the Americas and Hawaii for its beautiful, durable wood (Monkeypod wood), which is extensively used for crafting bowls, furniture, and carvings. It is a classic shade tree in tropical pastures.

Usage: - **Timber**: Premium wood for furniture, cabinetry, and carving; - **Agroforestry**: Provides excellent shade for livestock and crops like coffee or cacao; - **Fodder**: Nutritious pods are fed to cattle and pigs.