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May Jobs

Find out what to do in your garden now.


Ornamental Garden:
  • This month is a fast period of growth. Late frosts may catch early blooms and soft growth – remove any damaged growth.
  • Spray roses with Rose Clear or similar.
  • Weed!!!
  • Continue to remove spent flowers of spring bulbs but not the foliage until it has withered and yellowed.
  • Chelsea-chop time – If the nepeta and sedums are looking leggy then cutback by a third to encourage compact growth that will not collapse later in the season. This can be applied to the lavender, echinops, echinacea, aster, helenium and salvia too if felt necessary.
  • Trim rosemary, thyme and sage if not done in April.
  • Cutback withered daffodil or tulip stems once they have turned yellow.
  • Trim grass edges of borders regularly to keep neat and tidy.
  • Prune spring flowering clematis.
  • Stake and support herbaceous perennials if necessary.
  • If daffs gave a poor show lift and divide bulbs and replant.
  • Continue deadheading spring bulbs.
  • Start hardening off tender plants for planting out.    

Vegetable Garden:
  • Harvest Asparagus.
  • Direct sow French beans and sweet corn if weather is warm enough.
  • Start earthing up potatoes. 
  • Harvest early crops such as radish / lettuce etc.
  • Avoid planting tomatoes too early as they suffer if exposed to temperatures below 12C
  • Sow pumpkins, cucumbers, courgettes, squashes under cover now and outdoors towards the end of the month.

Written by: Alex Bell, www.alexbellgardendesign.co.uk

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