How to Prune threadleaf tickseed 'Ruby Red'?
Deadhead for continuous flowering and cut back in winter

threadleaf tickseed 'Ruby Red' · Coreopsis verticillata 'Ruby Red'
Will grow well in fertile, well-drained soil in partial shade but preferably in full sun. Will need to be kept moist during spells of dry weather.
Deadhead for continuous flowering and cut back in winter