How to prune zantedeschia 'picasso'

Deadhead during the flowering season; full cut-back in late summer or autumn. Remove faded spathes at stem level as soon as they begin to collapse. Cut back all foliage to soil level once it yellows. Do not pull — cut cleanly to avoid disturbing the rhizome.

Deadhead throughout flowering; full annual cut-back. Zantedeschia 'Picasso', with its distinctive white-speckled purple spathe, needs the same care as other coloured calla cultivars. Deadhead spent flowers promptly by cutting at the stem base. Once flowering ends and the foliage yellows at season's end, cut all growth to the ground and allow the rhizome to go dormant.

Remove faded spathes at stem level as soon as they begin to collapse. Cut back all foliage to soil level once it yellows. Do not pull — cut cleanly to avoid disturbing the rhizome.