Harvesting leaves for dye extraction
Woad planted in November can be harvested from end of June till early August. Woad planted in March can be harvested from July until September. In some years, woad can be harvested as late as November but the first autumn frost may destroy the colour. Some people manage to get colour all the year round.
Use secateurs to cut the woad leaves, avoiding old leaves with blue in the leaf stalk, and leaving as much leaf stalk behind as possible. It is better to cut all the leaves of one plant, so as to let the new leaves grow again.
The leaves can now be used for dye extraction!