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Use pond heaters to keep ponds from freezing over, as this can be fatal for fish and other pond life. There are other precautions you can take to prevent your pond freezing over, if you do not have a heater. To make a hole in frozen ponds, hold a saucepan of hot water on the surface until melted through. Do not crack the ice, as this is harmful to fish.
You may wish to make your pond more wildlife-friendly.
Deter hungry herons from fishing using nylon strings strung across the edges of the pond, at least 15cm (6in) from the ground and 15cm (6in) in from the edge of the pond.
Continue to rake out fallen leaves or shake off those that have gathered on protective netting.
This may also be a good time to repair any leaks in your pond.
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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.