How to prune gladiolus 'traderhorn'

During and immediately after flowering. Remove spent florets progressively up the spike, then cut the whole stem to soil level after blooming. Never cut green leaves early — allow full die-back before lifting or mulching.

Annually during the flowering season. Gladiolus 'Traderhorn' is a vigorous, tall variety that benefits from deadheading as individual florets fade. Once the entire spike is spent, remove it at the base. The foliage must be left to yellow and die back on its own — this is essential for corm health and strong flowering the following year.

Remove spent florets progressively up the spike, then cut the whole stem to soil level after blooming. Never cut green leaves early — allow full die-back before lifting or mulching.