How to Prune calyx-like rock rose?
Prune lightly as needed to remove unwanted shoots and keep the shrub in shape. Prune in mid- to late spring.

calyx-like rock rose · Halimium calycinum
Plant in well-drained, sandy soil in full sun, though it will tolerate most soil types
Prune lightly as needed to remove unwanted shoots and keep the shrub in shape. Prune in mid- to late spring.