How to prune dahlia 'karma choc'

Pinch in late spring after planting; deadhead throughout summer and autumn. Pinch out the central growing tip above the third set of leaves after planting out. Deadhead by cutting spent flowers back to the nearest healthy bud or leaf axil. Cut all top growth to the ground after frost blackens the foliage.

Pinch once; deadhead weekly during flowering season. Dahlia 'Karma Choc' is a cut-flower dahlia that rewards regular deadheading and pinching. Pinch out the growing tip when plants reach about 40 cm (16 in) to encourage branching. Deadhead spent blooms promptly to extend flowering into autumn. Cut tubers back to ground level after the first frost.

Pinch out the central growing tip above the third set of leaves after planting out. Deadhead by cutting spent flowers back to the nearest healthy bud or leaf axil. Cut all top growth to the ground after frost blackens the foliage.