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Top up ponds and water features if necessary - a spray attachment on the hose will aerate the water, and help the fish.
Any pumps on water features should be left on during sultry nights, as oxygen levels are lower in such conditions.
Remove dead foliage and blooms from waterlilies and other aquatic plants. Cut back any marginal plants that are getting out of hand. Continue to skim blanket and floating weeds.
Cover ponds with nets or safety grills in gardens where young children play. These have the additional advantage of preventing leaves falling into the pond.
Clean out debris lurking in the depths of the pond. This will improve the water quality and prevent excess debris from promoting the growth of weeds, algae or marginal plantings, and from releasing toxins that could harm fish or wildlife.
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Things to do in the garden this month
Trees and shrubs
Greenhouse, conservatory and houseplants
We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.
Join the RHS today and get 12 months for the price of 9