In the Vegetable Garden - Things to do this Month - August


  • Continue to water, mulch and hoe depending on the weather!
  • Tomatoes: need regular watering, (especially in the greenhouse) – irregular or infrequent watering may lead to ‘blossom end rot’ (see photo). In extreme heat, don’t feed tomatoes, as this can stress the plant.
  • Potatoes: harvest second early varieties, and the first of the maincrop. Clean the tubers and leave in sun to dry skins before storing in hessian or paper sacks, and check after a few days to make sure none are rotting. Continue to watch for blight on maincrops (brown, blotchy leaves – remove at the first sign)
  • Crops to sow from seed: lettuce, spring cabbage (lime soil first), spinach, chicory, radishes, spring onions
  • Transplant cabbage, purple sprouting broccoli, cauliflower and kale plants to their final growing positions, having limed the soil in readiness
  • Pick French and runner beans regularly – any that get left behind can be dried on the vines, then store the beans in jars to use in casseroles and soups
  • Pick out growing tips of tomato, cucumber and pepper plants to concentrate energy into the fruits, and continue to feed regularly
  • Check brassicas leaves daily for Cabbage White butterfly eggs – small clusters of yellow eggs, usually on the underside of leaves – and rub off to prevent caterpillars developing
  • Try planting a ‘green manure’ on harvested or fallow areas of the vegetable garden to add fertility and humus to the soil, and suppress weeds – two of our favourites are Phacelia, which has beautiful blue flowers, and Lupins, which are leguminous meaning they have nitrogen-producing nodules on their roots so help to fertilise the soil. Both these can be planted between May and September (
  • Finally, try to find the time to freeze, bottle, store, dry and preserve all the excess vegetables you’ve successfully grown – there are some recipes and ideas for preserving your bounty HERE.