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June gardening tips

A garden in autumn colours

June’s gardening essentials

  1. Tip 1 It's a great time to plant annuals, perennials and all trees and shrubs.
  2. Tip 2 Check all plants, especially newly planted ones, for water on a regular basis. Water deeply and thoroughly as needed.
  3. Tip 3 Spruce up your summer landscape with beautiful colour in containers.
  4. Tip 4 Be on the look-out for these pests such as caterpillars, spider moths etc.
  5. Tip 5 It's a great time to plant apple, pear, peach and all other fruit trees.
  6. Tip 6 You can also plant vegetables in containers and grow them on decks, patios or other small spaces.
  7. Tip 7 Fruit trees need to be sprayed on a regular schedule, although you do not spray your fruit trees when the blossoms are wide open.
  8. Tip 8 Time to stake tomatoes and spray them if necessary to prevent disease problems.
  9. Tip 9 If needed, apply a weed control to the lawn to kill actively growing weeds.
  10. Tip 10 You can move houseplants outside to the deck or patio and enjoy them outdoors for the summer. It is best to gradually introduce them to more direct sunlight to prevent the leaves from being burned.
  11. Tip 11 Feed houseplants with a good quality indoor plant food.
  12. Tip 12 If needed, re-pot root bound houseplants to a larger pot.
  13. Tip 13 Hibiscus and Jasmine are just two of the flowering tropical plants you can add to your deck, patio or balcony.

Week-by-week gardening tips for June

Week 1

  • Sow seeds of fast-maturing annuals directly into the ground and thin any seedlings sown earlier in the year.
  • Sow spring-flowering biennials such as forget-me-nots, sweet Williams and wallflowers.
  • Divide early-flowering perennials such as primulas.
  • Lift spring bulbs when the foliage has died down if you need the space and can’t leave them in the ground: store the bulbs in boxes in a well-ventilated place.

Week 2

  • Complete summer plantings in containers. Water containers regularly.
  • Pinch out the tips of dahlias to promote bushy plants.
  • Protect soft fruit from birds by throwing nets over the bushes or by building a fruit cage.
  • Plant out hardened-off tender and half-hardy fuchsias into beds, borders and containers.
  • Take cuttings of carnations, fuchsias, herbs and many shrubs and perennials to root in the greenhouse.

Week 3

  • Feed heathers once this month.
  • Prune summer-flowering shrubs over three years old as they finish flowering.
  • Cut back rock plants after flowering and trim trailing and invasive plants in the rock garden.
  • Deadhead roses to encourage repeat flowering unless the roses are being grown for the colour and profusion of their hips.
  • Clip fast-growing established hedges such as privet.

Week 4

  • Plant out vegetables including runner beans, cabbage, cauliflower, celery, kale and sprouting broccoli.
  • Sow courgettes, marrows pumpkins and squashes directly into their growing position.
  • Lift and dry Japanese onions.
  • Water early potatoes thoroughly once a week to ensure good yields.
  • Plant out, water and feed outdoor tomatoes, peppers and aubergines.