Sow under cover with heat (minimum 20ºC)Tomatoes, aubergines, peppers, celeriac, cucumber, globe artichoke, pumpkins

Sow under cover (13-16ºC)Brussels sprouts, hybrid broccolis, dwarf beans, mini, summer and autumn cauliflowers, summer and autumn cabbage, calabrese, celery, kohl rabi, leeks, lettuce, endive, Swiss chard, cut-and-come-again crops

Sow outdoorsBroad beans, beetroot, (early, bolt-resistant variety) summer cabbage, calabrese, early carrots, summer autumn cauliflowers, parsnip, peas, mangetout, sugar snap, radish, rocket, spinach (annual perpetual)

PlantOnion and shallot sets, early and maincrop potatoes

DoWeed and dig beds, prepare seedbeds, disinfect glasshouses/polytunnels/seed trays, etc, organise seed swaps, continue sowing seed and pricking out seedlings, begin hardening off well-established plants, finish planning crop rotations