How to prune celeriac 'brilliant'

Begin removing lower leaves and side shoots in midsummer (July–August) as the bulb starts to swell. Snap basal suckers off by hand. Every 3–4 weeks from midsummer, remove the lowest 2–4 yellowing leaves by cutting cleanly at the stem. Leave all healthy upper foliage intact through to harvest to sustain bulb growth.

Every 3–4 weeks from midsummer until harvest. Celeriac 'Brilliant' is a smooth-skinned variety that benefits from the same pruning as all celeriac: remove basal side shoots and lower leaves from midsummer to encourage bulb development and airflow. This is the one active pruning task that genuinely improves yield. Harvest the whole plant in autumn before the ground freezes.

Snap basal suckers off by hand. Every 3–4 weeks from midsummer, remove the lowest 2–4 yellowing leaves by cutting cleanly at the stem. Leave all healthy upper foliage intact through to harvest to sustain bulb growth.