Coreopsis
C
oreopsis
tickseed

Height 1-2 ft (30-60 cm)
Planting distance 6-9 in (15-23 cm)
Flowers midsummer to early fall
Fertile, well-drained soil
Open, sunny site
Hardy annual

These bushy plants with deeply cut green leaves and profuse daisylike blooms have two great sets - they thrive in hot weather and tolerate pollution. Annual tickseeds (perennial tickseeds also exist) have flowers in a range of yellows and chestnuts from midsummer to early fall. They look best in borders and can be used for cutting.

Popular species and cultivars
Coreopsis tinctoria (syn. C. bicolor) has profuse bright yellow flowers on stiff stems about 2 ft (60 cm) tall. A dwarf cultivar reaches 1 ft (30 cm) high.

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Annuals
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