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July in the Garden

July is a wonderful month in the garden, flowers are blooming profusely in the borders and the veg garden should be bursting with tasty crops however there are still lots of jobs to do before you can sit down and relax, hopefully in the sun.


Flower Garden

  • Cut back faded perennials to keep your borders tidy.
  • Liquid feed containerised plants and keep well-watered in dry spells.
  • Dead-head sweet peas and pick them regularly to keep more flowers coming
  • Dead-head roses, bedding plants & perennials, annuals again to keep them flowering
  • Water any newly planted trees and shrubs
  • Mulching borders can help retain moisture, and keep down the weeds - this will save a lot of work. A really thick layer of mulch (5-7.5cm/2-3in all over) works best.
  • Cut back growth on hanging baskets if they need reviving a bit as this will produce more blooms Feed well
  • As Penstemon start to fade cut them back to just above a bud to encourage more flowers.
  • Prune Lupins to encourage more flowers
  • Cut back Delphiniums and Geraniums after the first flush of flowers to encourage a second flowering period. Feed after cutting them back.
  • Prune Wisteria by removing the whippy side-shoots to about 5 leaves from the main stem
  • Autumn flowering bulbs such as autumn Crocuses, Colchicum, Sternbergia, Amaryllis and Nerine can be planted now.
  • Continue to tie in and train new growth on climbing plants.•
  • Divide clumps of Bearded Iris now so they have time to form roots and flowers buds for next year before the cold weather arrives.
  • Take cuttings from your favourite tender plants for over-wintering indoors. Cuttings can also still be taken from shrubs and herbaceous perennials.
  • Stop rust damaging hollyhock foliage by pruning out affected leaves and/or spraying with a fungicide.
  • Look out for signs of Clematis wilt i.e. wilting leaves and black discolouration on the leaves and stems. Cut out all affected material and dispose of but not on the compost heap.
  • Most perennial weeds are best dealt with in the summer when the weeds are in active growth. Digging out often works, but applying a weed killer can be more practical, particularly for large areas.
  • Start collecting seed from plants you want to grow next year, especially annuals like Calendula, poppy and love-in-a-mist.

Vegetable Garden                                                                                                                                                                                      

  • Plant second cropping seed potatoes for Christmas
  • If you’re growing aubergines pinch out the growing tip once they have 5 or 6 fruits and pick the fruits while they are young
  • Nip of the growing tips of squash and courgette to encourage branching
  • Pick runner beans regularly so they don’t become stringy and to make room for developing pods.
  • Pinch out tomato side shoots and cut off leaves growing below the lowest ripening fruit trusses to encourage air flow and prevent disease.
  • For bumper tomato crops feed regularly with tomato fertiliser.
  • Apply a high potash fertiliser once fruits start to form on peppers and cucumbers
  • Feed other crops with a general purpose fertiliser.
  • Harvest garlic when the stops start to bend over and yellow
  • Pick courgettes while they’re young and before they become marrows.
  • Pick dry and freeze herbs for winter use.
  • Harvest beetroot, peas, carrots, chard, potatoes, lettuce and tomatoes.
  • Keep watering especially in dry weather to ensure your fruit & veg crops are consistently moist.
  •  Keep an eye out for slugs and take action to control them
  • Tackle blackfly on broad beans by pinching off any affected growing tips
  • Check for cabbage white butterfly eggs
  • Keep weeding in the veg garden as they compete for nutrients and water

  Fruit Garden                                                                                                                                                                                       

  • If the tree hasn’t done it naturally thin out fruit trees to produce good sized crops
  • Protect developing fruits from birds and squirrels with netting
  • Feed lemon and citrus trees with a suitable fertiliser.
  • Water shallow rooted raspberries in hot dry weather
  • Prune the fruited stems of blackcurrants after harvesting
  • If you want more strawberry plants next year peg down the runners to root.
  • Prune plum, apricot, peach and cherry trees now to reduce the risk of silver leaf disease
Lawn Care

  • This is the last month to feed your lawn with a special lawn feeder to encourage healthy green growth
  • Don’t allow newly seeded lawns or turf to dry out if the weather is very hot and dry, established lawns will bounce back.
  • In prolonged dry weather raise your mower blades.
  • Weeds will grow in warmer weather so apply a specific lawn weed killer






Posted by Charlie Groves

Charlie is the manager at Groves Nurseries.  He is the 6th generation of C.W. Groves to run the garden centre. 

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