Large-flowered tickseed

Coreopsis grandiflora

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Large-flowered tickseed (Coreopsis grandiflora)
kor-ee-OP-sis gran-dih-FLOOR-ah
Genus:  Coreopsis
As the name implies, this species bears large, daisy-like blossoms (2.5 inches across) of golden yellow rays and darker yellow centers. It blooms from late spring to late summer and is native to the central and southeastern U.S.
Noteworthy Characteristics:  The blooms make excellent cut flowers, and are attractive to bees and butterflies. The species is tolerant of a variety of soils. Often grown as an annual.
Care:  It reaches three feet high and usually requires staking; trim back in early spring for a more compact habit. Deadhead to encourage rebloom and to prevent self-sowing. It thrives on poor soils and is tolerant of heat, humidity, and drought.    
Propagation:  Sow seed in mid-late winter; divide in early spring.
Problems:  Slugs, snails, bacterial spot, rust, Botrytis flower blight, aster yellows, powdery mildew, downy mildew, and fungal spots.

Overview

Height
1 ft. to 3 ft.
Spread
1 ft. to 3 ft.
Growth Habit
Clumps
Growth Pace
Moderate Grower
Light
Full Sun Only
Moisture
Medium Moisture
Maintenance
Moderate
Characteristics
Attracts Butterflies,
Self Seeds,
Showy Flowers
Bloom Time
Early Summer,
Late Spring,
Late Summer,
Spring,
Summer
Flower Color
Primrose Yellow
Uses
Beds and Borders,
Cut Flower,
Naturalizing
Style
Cottage Garden,
Rock Garden
Seasonal Interest
Spring Interest
Type
Perennials

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