Two-winged Silverbell (Halesia diptera)

Two-winged Silverbell

Halesia diptera

Its bell-shaped blooms hang like frosty chimes in spring. Deciduous flowering tree; common name: two-winged silverbell.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Full sun to partial shade; tolerates dappled woodland shade; avoid prolonged intense summer sun in hot regions
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Watering Water deeply when the top 5 cm of soil is dry; ensure well-drained soil to prevent root rot
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Temperature Hardy to USDA zones 5–9; tolerates mild winter frost and moderate summer heat
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Characteristics

  • Leaf: Oval to elliptical, 5–12 cm long, glossy dark green turning yellow in fall
  • Flower: Drooping clusters of 2–4 white, bell-shaped blooms, 1–2 cm long
  • Stem/Bark: Smooth gray bark becoming fissured with age; slender, spreading branches
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Care Guide

Watering

Keep soil evenly moist during active growth and flowering

Fertilization

Apply balanced slow-release fertilizer in early spring. Avoid over-fertilization, as excessive nitrogen can reduce flowering

Banana peel compost tea:Fully compost banana peels, dilute 1:20 with water for root drench; avoid applying undiluted peel solids to prevent pest infestations
Pruning
  • Remove crossed or damaged branches in late winter before new growth emerges
  • Thin dense inner growth to improve air circulation and light penetration
  • Limit heavy pruning to maintain the tree's natural spreading form
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: No reported toxicity to cats

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: Symbolizes delicate spring beauty and woodland tranquility

Usage: Ornamental garden tree; attracts native bees and hummingbirds as pollinators