How to prune zantedeschia 'edge of night'

Deadhead after each bloom fades; cut back fully when foliage yellows in late summer or autumn. Snip spent spathes at the base of their stem. Once all leaves turn yellow, cut the entire plant to soil level with sterilised shears.

As needed during flowering; full cut-back annually at dormancy. Zantedeschia 'Edge of Night' benefits from removing spent flowers and yellowing leaves through the growing season to keep energy directed to the rhizome. After flowering ends and foliage begins to die back, cut all stems to ground level. This dark-spathed calla is semi-dormant in winter — do not prune green leaves prematurely.

Snip spent spathes at the base of their stem. Once all leaves turn yellow, cut the entire plant to soil level with sterilised shears.