Snow Crocus (Crocus chrysanthus)

Snow Crocus

Crocus chrysanthus

It blooms early to melt winter’s last frost, a golden cup of sunshine. Early-spring flowering bulb; common name: snow crocus.

Full sun
1/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; requires direct sunlight to support robust spring blooming
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Watering Water sparingly during active growth; allow soil to dry completely between waterings to prevent bulb rot
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Temperature Hardy to -15°C; requires an 8–12 week cold period to trigger flowering; avoid prolonged temperatures above 20°C during summer dormancy
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Characteristics

  • Leaf: Narrow, linear, grass-like foliage with a central white stripe, emerging with or after flowers
  • Flower: Cup-shaped blooms in golden yellow, sometimes with purple or orange accents on outer petals
  • Bulb: Small corm with papery tunic, storing energy for dormant periods
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Care Guide

Watering

Reduce watering as foliage yellows and dies back to prepare corms for dormancy

Fertilization

Apply a balanced, diluted feed when foliage first emerges. Use a low-nitrogen feed to support bulb development rather than foliage growth

Eggshell powder topdressing:Crush dried eggshells into fine powder; sprinkle lightly over soil surface in early spring; avoid direct contact with corms to prevent irritation
Pruning
  • Trim yellowed foliage only after it has fully died back to allow the corm to absorb residual nutrients
  • Remove spent flower heads to prevent seed formation and conserve corm energy for next year’s blooms
  • Thin overcrowded corms every 3–4 years in late summer to maintain blooming vigor
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Mildly toxic; ingestion may cause vomiting, diarrhea, and excessive drooling

Humans: Ingestion of large quantities of bulbs may cause mild gastrointestinal upset; sap rarely causes skin irritation

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Garden Uses & Culture

Culture: Symbolizes hope and new beginnings, often associated with the end of winter

Usage: Ornamental for rock gardens, border edging, and naturalized lawns; occasionally used in cut flower arrangements