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What to Do in the Garden This Week - June 26th

Published on June 26th 2020

by AlanGardenMaster. All rights reserved

David Austin rose garden
A few pests and diseases can crop up at this time of the year so as well as my tips here, be sure to take a look at the resources in the 'Knowledge' section under 'Problems' for some more great tips.
For more gardening tips from me, go to my monthly tips for gardening in June.

What to Do in the Garden This June


A close up of a flower

What to Do in the Vegetable Garden This June


Home grown food

  • Harvest cucumber and courgette plants regularly, even if you can’t eat them! If you leave them on the plant, it will slow down the production of more. So if you have a surplus, perhaps share them with your neighbours or trade for something that they have grown!
  • Autumn planted winter hardy onions and shallots may be ready to harvest now. You'll know if they are, as the tops fall over and then wither. Let the skins ripen thoroughly in the sun because they store better then.
Shallots ripening and drying
  • Stop harvesting asparagus so that it has a chance to build up strength for next spring.
  • Sow more salad leaf mixtures in containers. These cut and come again salads are so much fresher and cheaper than shop-bought ones!
A close up of salad leaf vegetables
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Trees, shrubs and roses

  • Box trees in pots get hungry very quickly so I’d recommend sprinkling blood fish and bone on the compost surface as that has given the best results for me.
  • Check bay laurel for bay sucker and remove infested leaves. Symptoms are of curled and yellowing leaf edges with the suckers living underneath.
  • Deutzia, Mock Orange and Beauty Bush shrubs can have the old wood removed from them now. New growth will then have time to produce flower buds for next year.
  • If you are removing the dead flowers from Hybrid Tea and Cluster Flowered roses, you can cut these flowering shoots back hard and they will then throw up invigorated young shoots that will flower later this summer.
  • Fill gaps in borders cheaply by sowing quick growing annuals. Choose Clarkia, Godetia and Calendula but prepare the soil well and water it before sowing.
  • Sow wallflower seed outside in seed drills. Soak the soil a day or two before sowing as this significantly improves germination. Sow thinly to develop bushy plants for transplanting into their flowering positions in autumn.

Weeding and watering

  • Hoeing between plants regularly removes weed competition but also reduces water loss from the soil.
  • If you have lots of planted pots and containers, invest in a drip irrigation system with a reliable time clock. This will help waste less water and can water automatically at night.
A close up of drip irrigation for a flower trough
  • When you are hose watering, soak the soil rather than wet the foliage. A good soak is better than a splash over every time you come home from work.
  • Water early in the morning or late in the evening if you haven't got an automatic watering system. There will then be less water lost to evaporation.
A man watering a garden
  • You can always link another water butt to your existing one. It's easily done if you add one that's a little shorter.
  • June is a great time to apply a strong weed killer to kill off deep-rooted and troublesome weeds. Bindweed, creeping thistle, horsetail, ground elder and couch are easier to kill when they are growing fast.

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