By Rhoda Parry | Published - 6 May 2026 May is a month that’s full of hope and promise where our gardens are concerned. The last of the frost should have passed (unless you're in Scotland), most plants will be springing into life and temperatures are finally warm enough for long sessions of both gardening and outdoor entertaining. “In May, the days are longer and warmer,” says horticulturist Sarah Raven, “meaning there is plenty to do in the garden, greenhouse, and kitchen garden.