Coreopsis tickseed

Height 30-60cm (1-2ft)

Planting distance 15-23cm (6-9in)

Flowers mid summer to early autumn

Fertile, well-drained soil

Open sunny site

Hardy annual

This genus of free-flowering, bushy plants with deeply cut green leaves and daisy-like blooms has one great asset – it thrives in polluted areas.

Annual tickseeds (perennial tickseeds also exist) have flowers in a range of yellows and chestnuts, appearing between mid summer and early autumn. They look best grown in borders, and can be used for cutting.

Popular species

Coreopsis drummondii, height 60cm (2ft), has bright yellow flowers with deep purple central discs surrounded by red-brown blotches.

Coreopsis tinctoria (syn. C. bicolor) carries a profusion of bright yellow flowers on stiff stems about 60cm (2ft) tall. A dwarf variety, reaching 30cm (12in) high, is available.

Cultivation

Sow the seeds in their flowering site from early spring to early summer for a succession of flowers. The best results are achieved in fertile, well-drained soil in an open sunny site. Stake taller plants. Dead-head regularly.

Pests and diseases

Trouble free.

22. February 2012 by Dave Pinkney
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