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Once new plantings have established, you can start to stock new fish ponds with fish. Start stocking and feeding when the water is warm.
Don’t leave fish sitting in plastic bags full of water - get them in to the pond as soon as possible so that they have a sufficient supply of oxygen. However it pays to float the bags in the pond for ten minutes or to to allow the water temperatures to equalise.
Continue to remove blanket and duckweed.
Avoid introducing goldfish into the wildlife pond, as they will upset the pond's natural balance.
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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