About
Crocus chrysanthus 'Blue Marlin' is a compact perennial corm, reaching a height of up to 10 cm. It features elongated, slender dark green leaves that have a delicate white stripe running down the center. In early spring, this variety produces fragrant, goblet-like flowers that are pale blue, accented by mauve-purple veining on the outer petals and bright yellow centers.
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
- East-facing, South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
- Plant type
- Bulbs
- Habit
- Tufted
- Foliage
- Deciduous
- Height
- Up to 10cm
- Spread
- 0-0.1 metre
- Time to full height
- 2-5 years
- Suggested uses
- City and courtyard gardens, Coastal, Cottage and informal garden, Gravel garden, Patio and container plants, Rock garden, 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