Snow Trillium (Trillium nivale)

Snow Trillium

Trillium nivale

Delicate white blooms peek through late winter snow, a quiet herald of spring. Early-blooming perennial wildflower; common name: snow trillium.

Partial sun
1–2/week
Moderate
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Plant Needs

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Sunlight Dappled woodland shade or filtered partial sun; avoid intense midday direct sun that can scorch delicate foliage
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Watering Keep soil consistently moist but not waterlogged; prevent the growing medium from drying out completely during the bloom period
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Temperature Cold-hardy to subzero temperatures; tolerates frost during its late winter bloom period; avoid prolonged exposure to temperatures above 25°C
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Characteristics

  • Leaf: Three oval, dark green basal leaves arranged in a whorl directly below the flower
  • Flower: Solitary white, star-shaped bloom with three petals; fades to pale pink as it ages
  • Stem: Slender, smooth green stem that supports the leaf whorl and single flower
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Care Guide

Watering

Maintain consistent soil moisture; apply a thin layer of mulch to retain moisture and suppress weeds

Fertilization

Apply a diluted organic liquid feed once when new growth emerges. Use a low-nitrogen, phosphorus-rich organic feed to support flower development

Composted leaf mold tea:Dilute fully composted leaf mold 1:20 with water for a gentle root drench; avoid using uncomposted leaves to prevent fungal issues or odor
Pruning
  • Remove spent blooms after flowering to conserve energy for root development
  • Trim yellowing foliage in late spring once the plant enters dormancy
  • Avoid disturbing the shallow, fibrous root system during maintenance or transplanting
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Toxic; ingestion can cause vomiting, diarrhea, abdominal pain, and lethargy

Humans: Contains saponins; ingestion of large amounts may cause mild gastrointestinal irritation including nausea and stomach pain

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Garden Uses & Culture

Culture: Symbolizes spring renewal and quiet resilience in native woodland ecosystems

Usage: Native wildflower garden ornamental; provides early nectar for emerging pollinators