Cowslip in June: monthly care

Cowslips require very little pruning in the traditional sense. The main task is deadheading spent flower stems in June or July, once the cheerful yellow blooms have faded. Use scissors or secateurs to snip off the flower stalks at the base, close to the rosette of leaves. This tidies the plant and prevents it putting energy into seed production, which can weaken it slightly over time. That said, if you want cowslips to self-seed and naturalise in grass or informal borders, leave at least some of the faded flowers in place. The seed will ripen and scatter by midsummer, and you'll often find new seedlings appearing nearby the following spring. This is one of the joys of growing native primulas, so strike a balance: deadhead some stems for neatness and plant vigour, and leave others to set seed if you want more plants. In late autumn or early winter, remove any tatty or yellowing leaves from the basal rosette. This isn't strictly pruning, but it improves air circulation around the crown and reduces the risk of fungal problems over winter. Pull away dead foliage by hand or snip it off carefully with clean secateurs. The evergreen or semi-evergreen rosette will remain visible through winter, so avoid cutting it back hard. Cowslips do not need annual cutting back or shaping. They are low-maintenance perennials that look after themselves once established, so resist the urge to tidy them too much.