What to Do in the Garden This June

AlanGardenMaster
Published on June 6th 2020
119
June is one of the most beautiful months to be in the garden, and I plan to be in mine every hour that I can!
This month, growth is peaking, and some plants will need to be supported and pruned. There is some timely sowing to be done and an opportunity to plant more tender plants. Check my weekly tips for more tips not covered here and of course, read my June tips on growing edibles as well.
Shop everything you need for the garden in June in the collection:

Caring for plants in pots and borders in June

  • Plant up hanging baskets and containers for colour and scent all summer.
  • It's time to replace winter flowering pansies and spring-flowering wallflower with summer flowering bedding plants. They may still have some blooms but will quickly look scruffy.
  • Lift and divide clumps of primroses and polyanthus. Heel them in a shady place for summer, and they can be replanted in your borders again in autumn.
Here are a couple of my favourites:
  • Continue planting out summer flowering bedding plants. Long flowering traditional ones like geraniums, petunias and begonias are hard to beat!
  • Lift, dry off and store tulip bulbs in the shed or garage ready to replant in late autumn.
  • Sow wallflower, Brompton stock and sweet William seeds in drills outside for planting out in the autumn.
  • Raise your border perennials by sowing several popular varieties now. Sow Delphinium, hollyhocks, lupins and foxgloves. Keeping them cool will help germination at this time of year. These will flower next year.
  • Stake tall plants to give them support.
  • Remember to feed your plants every few weeks

Pond and bog plants

  • Oxygenating weeds in ponds may be getting out of hand now, so thin them a little. Put the plant material on the pond edge for a few hours, as this allows many water critters time to crawl back into the water. Always try to leave at least a third of the water surface covered to provide shade and shelter for wildlife.
Beth Chatto pond with boat and water lilies
  • Plant water lilies and other water plants this month. Use a pond plant container filled with soil without added peat, bark coir etc. Cover the surface of the soil with gravel to stop it from dirtying with the water.
  • Make sure that water margin and bog plants are getting enough water and add mulch to help.
Find aquatic plants in the Tor Garden Plants online shop:

Lawns, hedges, paths and drives

A green garden lawn
  • Don't be tempted to cut your lawn too low! Raising the blades slightly now will give a harder wearing surface which resists dry periods better. Mow a little and often.
  • Pep up your lawn with a high nitrogen summer feed. Westland After-Cut works very well, but others are on the market, including those you can water on.

Weed control

hoeing weeds in a garden
  • Regular hoeing, especially during dry weather, will keep weeds under control and stop all but the most determined perennial weeds from getting established.

Trees, shrubs and climbers

  • New shoots on any climbers, Clematis in particular, should be tied to supports to prevent them from breaking. Old, early flowering Clematis can be cut back hard if needed, and this will rejuvenate them.
A close up of a clematis flower garden
  • Remove dead flower heads from roses regularly, as this encourages more blooms.
  • If Magnolias have gotten too large, they can be pruned this month, but only if you have to.
hazel stick perennial plant supports in a garden
  • Floppy border plants may need support to prevent them from falling all over the place. There are many devices on the market to help with this, or you may prefer to make your own with natural materials.
  • Make sure that newly planted trees and shrubs are getting enough water and that it is reaching the roots! Trees need a minimum of two gallons a week.

Find everything you need for gardening in June in the seasonal collection:

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