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Things to do in your Mapesbury garden in July:

  • Feed and water ericaceous plants i.e. Rhododendrons, Azaleas and Camellias, as they set buds now for next year and allowing them to dry out will adversely affect the quality of the following years blooms.

  • Deadhead flowers in borders to prolong flowering.

  • Feed Roses, encouraging a repeat flowering.

  • Stake tall i.e. perennial plants in the border if required and not already done so. This can also help protect the flower spikes from wind damage.

  • Deadhead roses to encourage further flowering.

  • Stake tall i.e. perennial plants in the border if required. This can also help protect the flower spikes from wind damage.

  • Plant Autumn flowering bulbs i.e. Amaryllis and Nerine

  • Cutting back i.e. oriental poppies, Alchemilla mollis and hardy geraniums, when they have flowered, will stimulate new foliage and possibly flowers as well

  • Mow the lawn once a week if grass is growing well, except during times of drought. Apply liquid Summer lawn fertiliser, particularly if Spring feed not given.

  • A layer of mulch, up to 2-3 thick, applied to the beds and borders, will help keep the moisture in and the weeds down.

  • Tie in climbers and ramblers as they grow.

  • Prune June flowering shrubs i.e. Philadelphus and Weigela after flowering

  • Remove blanket weed and general debris in ponds. Keep water levels topped up.

  • Prune Pyracantha, once flowering is over.

  • Trim hedges if required, checking first for birds/nests.

  • Keep an eye on new plantings in particular and keep them watered, especially during dry spells. Generally a weekly drenching is better than a daily sprinkle, as this is likely to encourage shallow roots, which will more easily dry out.

  • Use water butts and grey water where possible. It is strangely satisfying to harvest free rainwater using a water butt.

Fabian Lee, Mapesbury Professional Gardener & Horticultural Specialist. fabianlee001@gmail.com

 

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