How to prune komatsuna 'torasan'

Harvest outer leaves from 4 weeks; whole plant at 40–50 days; bolt removal as needed. Cut or snap outer leaves at their base, leaving the central growing point. For full harvest, use a sharp knife at soil level. The plant often regrows once in cool conditions. Strip yellowing lower leaves to improve air circulation and reduce disease risk.

As needed. Komatsuna 'Torasan' is a vigorous Japanese mustard spinach harvested progressively like other Asian greens — no ornamental pruning applies. Pick outer leaves from around 4 weeks for continuous harvest, or cut the whole plant at 40–50 days. Remove flower stalks to briefly extend the season, then harvest everything once bolting begins.

Cut or snap outer leaves at their base, leaving the central growing point. For full harvest, use a sharp knife at soil level. The plant often regrows once in cool conditions. Strip yellowing lower leaves to improve air circulation and reduce disease risk.