coreopsis

Coreopsis grandiflora 'Sunray'

Photo/Illustration: 
Mark Kane
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coreopsis (Coreopsis grandiflora 'Sunray')
kor-ee-OP-sis gran-dih-FLOOR-ah
Genus:  Coreopsis
'Sunray' coreopsis has double to semi-double yellow flowers that begin blooming in late spring and continue throughout the summer. The species is native to the central and southeastern U.S. Flowers are good for cutting. Use in beds and borders or in containers.
Noteworthy Characteristics:  Double, deep yellow flowers the whole summer. Usually grown as an annual.
Care:  Grow in full sun or partial shade and fertile, well-drained soil. Deadhead regularly, although birds are attracted to the seedheads.
Propagation:  Start seeds at 55° to 61° F in winter.
Problems:  Slugs, snails, rust, bacterial spot, Botrytis flower blight, aster yellows, powdery and downy mildews, fungal spots.

Overview

Height
1 ft. to 3 ft.
Spread
1 ft. to 3 ft.
Growth Pace
Moderate Grower
Light
Full Sun to Part Shade
Moisture
Medium Moisture
Maintenance
Moderate
Characteristics
Native,
Showy Flowers
Bloom Time
Early Summer,
Late Spring,
Late Summer,
Spring,
Summer
Flower Color
Yellow Flower
Uses
Beds and Borders,
Cut Flower,
Suitable as Annual
Seasonal Interest
Spring Interest
Type
Perennials

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