The Gardener’s Calendar

May Jobs in the Garden (by Ian Clemens, Horticultural Society)

  • Continue earthing-up potatoes and harden off outdoor tomatoes, courgettes and pumpkins for planting early next month.
  • Thin out direct-sown vegetables such as spinach, carrot and lettuce seedlings then water the rows well.
  • Plant out brassicas and leeks to their final positions.
  • Weed around your onions and garlic to reduce competition for nutrients and water. Applying an onion fertiliser will boost growth.
  • Hang pheromone traps in plum and apple trees.
  • Surround strawberries with straw to protect fruit and net them to keep birds off.
  • Erect netting around your soft fruit plants to prevent birds eating your crop.
  • Remove blossom and fruits from newly planted fruit trees to allow them to establish properly during their first year.
  • Take cuttings of tender perennials such as Fuchsia, Argyranthemum and Pelargoniums (geraniums).
  • Harden off half-hardy plants by leaving them outside during the day and bringing back under cover at night for 7 to 10 days before planting outdoors.
  • Don’t be tempted to cut down or tie up the foliage of spring-flowering bulbs, let them die down naturally.

 

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