When to prune pelargonium 'stellar hannaford star' in the UK

Prune pelargonium 'stellar hannaford star' in early to mid spring. For shrubs that flower on the current season's growth, the RHS times pruning to early or mid spring — after severe weather has passed and once the growth buds begin to swell. In Britain that is usually March into April rather than the February common in warmer regions; prune too early and the new shoots meet a late frost.

There is no nesting-bird restriction that realistically applies to pelargonium 'stellar hannaford star', since birds do not nest in it. The Wildlife and Countryside Act 1981 still protects any active nest you do find anywhere in the garden — the rule is about the nest, not the plant.

Pinch or cut stem tips just above a leaf node to promote branching when establishing. For the seasonal tidy, cut each stem back to a strong, outward-facing node; remove dead or yellowing leaves and clean up spent flower stalks at the base.

Deadhead regularly in season; structural trim once or twice a year. Pelargonium 'Stellar Hannaford Star' is a stellar pelargonium with deeply cut, star-shaped leaves and flowers. Pinch growing tips on young plants to encourage branching, deadhead spent blooms through the season, and cut stems back by one-third to one-half in late summer or early spring to keep the plant bushy and productive.

Most pruning guides online are written for US conditions and anchored to USDA zones. Britain's maritime climate gives milder winters but later, less predictable last frosts — from March in the south-west to mid-May in the north — so the RHS advises against winter pruning for most plants: it pushes out soft growth that a late frost then kills. Britain also has the nesting-bird law, which has no US equivalent.