How to prune redbor kale

Begin harvesting outer leaves 60–70 days after transplant; harvest edible flower shoots before blooms open in spring. Snap or cut lower and outer leaves cleanly at the stem, moving from the bottom upward. Leave the top growing crown intact. Pinch emerging flower shoots to delay bolting and eat them as a vegetable.

Every 1–2 weeks during the growing season. Redbor kale, with its tall, highly curled crimson leaves, is harvested by removing outer and lower leaves progressively. This extends productive life from late summer through winter frosts, during which cold sweetens the flavour. Remove any yellow or damaged leaves to improve air circulation. Flower shoots in spring can be harvested as a bonus crop.

Snap or cut lower and outer leaves cleanly at the stem, moving from the bottom upward. Leave the top growing crown intact. Pinch emerging flower shoots to delay bolting and eat them as a vegetable.