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Thursday, 9 May 2013

The Vegetable Plot - May

You can plant tomatoes under glass in the greenhouse without extra heat, either directly into the soil or in
grow bags.

Feed at every watering after the first truss sets but water as little as possible to improve flavour. Don’t shade unless the heat is extreme. 

When plants are flowering spray them with water to help pollination. Maintain a succession of seed sowing for carrots, lettuces and onions.

  • Put in the main crop of runner beans and find a warm spot for French beans 
  • Sow late broccoli, peas for August, parsley and chervil 
  • Cut asparagus (second or even third year from established beds) 
  • Sow maincrop beetroot 
  • Plant out winter greens that are hardened off – cauliflower, Brussels sprouts 
  • Harvest carrots and potatoes grown under polythene or glass 
  • Sow dwarf beans, Chinese cabbage, chicory, sweet corn 
  • Prick out winter greens in mid may onwards 
  • Prick off and plant celery 
  • Pot and harden off aubergines and capsicums

Top Tip: When you plant a tomato plant in the greenhouse, run some strong garden string or twine from the glazing bar down to the plant and keep enough loose end to pass under the root ball. Plant as usual in the ground or grow bag and train the plant to the support as it grows.

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