About
Crocus chrysanthus 'Zwanenburg Bronze' is a perennial corm that blooms alongside its foliage. The flowers emit a pleasant fragrance and display a vibrant deep yellow hue, adorned on the exterior with bold dark bronze markings.
About the genus
Crocus are small, deciduous perennials that emerge from corms. They feature narrow leaves, often marked with a silvery stripe down the center. The flowers, which can be fragrant, are goblet-shaped and appear in either autumn or early spring.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
- Plant type
- Bulbs
- Habit
- Tufted
- Foliage
- Deciduous
- Height
- Up to 10 cm
- Spread
- 0-0.1 metre
- Time to full height
- 2-5 years
- Suggested uses
- City and courtyard gardens, Gravel garden, Rock garden, Coastal, Cottage and informal garden, Patio and container plants, Wildlife gardens
- Fragrance
- Flower
- Toxicity
- Ornamental bulbs - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Ornamental bulbs - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Care notes
- Cultivation
- Grow in a gritty, poor to moderately fertile soil. See crocus cultivation for more advice
- Pruning
- No pruning required
- Propagation
- Propagate by seed sown in containers in a cold frame when ripe or remove cormlets when dormant
- Pest resistance
- May be susceptible to rodents and birds
- Disease resistance
- Generally disease-free, corms may rot in storage