Jobs for the Month

June 2024

Vegetables

  • Continue to earth up potatoes when shoots are approx. 20cm tall to stop tubers turning green.
  • Towards the end of the month early potatoes may be ready for harvesting. Tubers should be ready when plants begin to flower.
  • Autumn-sown broad beans should be ready for picking. Continue to check for blackfly and pinch off the tops above the flowers if  blackfly appear.
  • Regularly pinch out side-shoots on cordon tomatoes and tie in plants to supports.
  • Feed tomatoes every 10-14 days with a liquid fertilizer, changing to a high potash fertilizer once the first fruits begin to set.
  • Water crops when planted in and when flowers or pods are forming
  • Plant out sweet corn in blocks to aid wind pollination.
  • Continue planting out or direct-sow runner and French beans., courgettes, squash and pumpkins
  • Plant out outdoor cucumbers and peppers. Protect with fleece on cold nights.
  • Successionally, sow spinach, beetroot
  • Successionally  salads, rocket and basil etc every two to three weeks for continuous picking.
  • Make a late sowing of peas for an autumn crop.
  • Put netting over brassicas to prevent bird damage
  • Quick-maturing radishes or salad leaf crops can be sown between brassica rows.
  • Sow overwintering carrots such as Autumn King or Chantenay.  Cover with insect-proof mesh to prevent carrot root fly.
  • Transplant pencil-thick leeks now into 15cm deep holes. Cover with insect-proof mesh to prevent leek moth damage.

Fruit

  • Place straw under strawberries to keep fruit clean and deter slug damage.
  • Protect soft fruit, especially strawberries, blackcurrants and redcurrants, from bird attack by netting securely
  • Tie in new raspberry and blackberry canes.
  • Check for sawfly larvae on gooseberries. Hand pick off.
  • Put out pheromone traps on apple tree  and plum trees to prevent codling moth and plum moth damage.
  • On plum trees, after the ‘June drop’ of excess developing fruits, thin the fruits to prevent over laden branches breaking.

Flowers

  • Quick-germinating annuals, such as cosmos, that attract insect pollinators can still be sown.
  • Sow wallflowers for next year

General

  • If necessary water plants; however see Watering Vegetables for advice on which crops require watering
  • Continue to hand-weed or hoe regularly to keep on top of weeds.
  • Dig deep to remove highly invasive bindweed as it appears.
  • Continue to mow or clip grass paths weekly.
  • If you have sown green manure, dig it in this month to fix the nitrogen in the soil.
  • Make regular cuttings of comfrey every 4 to 6 weeks and lay the leaves around crops as a mulch, or put into a tub of water to turn into an excellent liquid feed.
  • Be alert for slug and snail damage to young plants, especially on wet nights and use your preferred slug deterrent

Gardening for wildlife

  • When trimming hedges and trees be mindful that birds may still be nesting.hen trimming hedges and trees be mindful that birds may still be nesting bit
  • Try not to disturb slowworms when topping up your compost heap.