TAH: August Gardening Jobs

Here are your jobs for August 2017!

You should take particular care to keep yourself hydrated but also remember that any Bird Baths/static water sources you have will quickly evaporate or become full of algae growth during summer. Ensure you keep them clean so that our birds have access to a water source during warm times.

In the flower garden

Water Water & Water – Keep container plants well watered. As well as this:

  • Your Camellias and Rhododendrons are developing next year’s buds right now but they need to kept watered!
  • Stake tall or top heavy Dahlias and Lilies to prevent wind and rain damage.

Dead Head with Conviction:

  • Dead-head bedding plants and perennial plants to stop them self-seeding. This will encourage new growth well into the autumn.
  • Cut back faded perennials to keep borders tidy.
  • Dead head Lilies for a better display next year
  • As your Penstemon flowers fade, cut them back to just above a leaf to encourage more flowers.
  • Cut back herbs now to encourage a new flush of tasty leaves you can harvest before the frost

Prune next year’s finery in August

  • Prune summer shrubs once they have finished blooming.
  • Wisteria is well at the end of its flowering season now. Begin by removing all the whippy side-shoots from the main branch framework to about 20cm from their base (about five leaves from the main stem).
  • Prune climbing roses and rambling roses once they’ve finished flowering (unless they are repeat-flowerers in which case leave them).

Sow Away

  • Collect ripened seed and store for next year. Leaving some seed heads in place can be attractive and allows the plant to self-seed in the surrounding soil.
  • Mow wildflower meadows now to help scatter the seeds.


  • Take cuttings of your favourite tender perennials in August such as pelargoniums and fuchsia to propagate them for next year.
  • Bearded Iris have long finished flowering now so clumbs should be divided in August. This will allow them time to form roots and flowers buds for next year before the cold weather arrives.
The Angry Hedgehog Garden Design Company
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