How to Prune Lavender – never prune in fall or winter and never cut back to the ground. Prune in spring and early summer after first leaf buds emerge to cut out dead wood and then prune again just after flowers fade – deadhead and shape plants then, leave at least 3 – 5 leaf … Read More →
1 Salvia nemorosa 'Caradonna’ from the mildly aromatic silvery green leaves to the violet flower spikes with purple stems. Bees love the flowers that stay looking sharp long after the petals fall, thanks to papery bracts that hold their colour. Dead-heading – either little and often or in one go – encourages new flowering side-shoots till October. 'Caradonna’ loves sun; use it as a purple ribbon through late season grasses or, at 18in (45cm), it is the perfect centrepiece for a pot.