Earth up potatoes by about 10cm (4″) when shoots are 23cm ((“) tall and repeat the process as stems continue to grow.
For fewer maggoty fruit, monitor codling moth numbers by hanging pheromone traps in apple and pear trees at the beginning of the month.
Continue to mow lawns every week gradually reducing the height of the cut.
Harvest rhubarb from established crowns as stalks reach 23-30 cm (9-12”) pull (do not cut) stalks taking no more than half at any one time. Do not remove stalks for the first two years of newly planted crowns.
Take softwood cuttings of hardy and tender perennials such as Fuchsia, Pelargonium, Verbena and Penstemon.
Sow French and Runner Beans direct, in mild areas.
Regularly tie in wayward sweet pea shoots to supports.
Early in the month, complete sowing cucumbers, courgettes and squashes in pots, for planting out later.
Improve grass health and growth by feeding turf with a proprietary spring or summer lawn fertiliser. Apply just before rain is expected to save the need for watering in.
Start harvesting Asparagus from established plants.