How to prune prairie coreopsis

Throughout bloom season; hard cut in late autumn or early spring. Snip spent blooms back to a leaf node. In late autumn, cut all stems to 3-4 inches. Divide crowded clumps every few years in spring.

Deadhead regularly; cut back annually; divide every 3-4 years. Prairie Coreopsis is a tough native perennial. Deadhead spent flowers to prolong bloom through summer. Cut the plant back by one-third in midsummer if growth becomes sprawling. In late autumn or early spring, cut all stems to 3-4 inches above the ground to rejuvenate. Spreads by rhizomes — divide every 3-4 years if clumps become dense.

Snip spent blooms back to a leaf node. In late autumn, cut all stems to 3-4 inches. Divide crowded clumps every few years in spring.