About
Coreopsis grandiflora 'Sunray' is a short-lived perennial that typically reaches a height of 50 cm. Often cultivated as an annual, this plant features finely divided, lobed green leaves. It produces vibrant, double blooms that measure approximately 5 cm in diameter, displaying a golden-yellow hue from early summer through early autumn.
About the genus
Coreopsis includes both annual and perennial species, characterized by their paired, simple leaves that may be palmate or pinnately divided. They produce elongated flower heads that resemble daisies and are borne on long stalks.
Growing conditions
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
- Plant type
- Annual Biennial, Herbaceous Perennial
- Habit
- Bushy
- Foliage
- Deciduous
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 1-2 years
- Suggested uses
- City and courtyard gardens, Coastal, Cottage and informal garden, Patio and container plants
Care notes
- Cultivation
- Grow in fertile, well-drained soil in full sun or partial shade
- Pruning
- Deadheading regularly will help prolong flowering
- Propagation
- Propagate by seed at 13-16°C (55-61°F) in mid, or late, winter or in situ from early spring to early summer
- Pest resistance
- May be susceptible to slugs and snails
- Disease resistance
- Generally disease-free