How to prune hibiscus syriacus 'helene'

Early spring, as buds start to swell (March to early April). Cut main lateral stems back to two or three buds from the main framework, leaving short stubs of 5–10 cm. Remove dead or damaged wood at the base. Do not prune in autumn or winter — wait until growth is clearly starting to ensure you prune to live wood.

Annually. Yes, 'Helene' Rose of Sharon needs annual early-spring pruning to flower well. Blooms are produced on current-season wood, so cutting back hard before growth begins produces the longest, most floriferous new shoots. Without pruning the plant becomes woody and bare at the base with smaller flowers over time.

Cut main lateral stems back to two or three buds from the main framework, leaving short stubs of 5–10 cm. Remove dead or damaged wood at the base. Do not prune in autumn or winter — wait until growth is clearly starting to ensure you prune to live wood.