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Annual BiennialHerbaceous Perennial

Coreopsis grandiflora 'Sunray'

tickseed 'Sunray'

A short-lived perennial to 50cm in height, grown as an annual, with filigree lobed bright green foliage and golden-yellow double flowers 5cm across from early summer to early autumn

Synonyms

Coreopsis 'Sunray'
Corylopsis 'Sunray'

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Ultimate height

0.1–0.5 metres

Time to ultimate height

1–2 years

Ultimate spread

0.1–0.5 metres

Chalk

Loam

Sand

Moisture

Well–drained

pH

Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or West–facing

Exposure

Exposed or Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Asteraceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Coreopsis can be annuals or perennials, with paired, simple, palmate or pinnately divided leaves and long-stalked, daisy-like flower-heads
Name status: Accepted

How to grow

Cultivation

Grow in fertile, well-drained soil in full sun or partial shade

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

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Patio and container plants
Flower borders and beds

Pruning

Deadheading regularly will help prolong flowering

Pests

May be susceptible to slugs and snails

Diseases

Generally disease-free

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