Four tips for summer pond maintenance
Discover four ways to keep your pond looking its best in summer, with our pond maintenance tips.
As with any part of the garden, a pond will need regular maintenance to keep plants in check, especially as pond plants can be vigorous growers.
Without a pump and filtration system, you will need the correct balance of plants to keep your water clean and clear. All ponds green up a little when the water warms up but don’t panic – if the balance is right it will quickly clear again. The removal of seedheads will also help reduce weeding and thinning in future.
Avoid conducting maintenance in spring, when you may inadvertently remove tadpoles and other aquatic larvae and eggs from the pond. It's also worth leaving any vegetation you’ve removed next to the pond for a few hours, so any invertebrates hidden amongst it can make their way back to the water. Do check leaves for eggs, and return any you find to the pond.
Discover four tips for summer pond maintenance, below.
Avoid conducting maintenance in spring when you may inadvertently remove tadpoles and other aquatic larvae and eggs from the pond.
Top up the water
Top up water as it evaporates in summer, causing the level to drop. Ideally use rainwater from a butt around once a week or as needed. If you have only tap water available, leave it to rest for 24 hours before adding to the pond, to enable any harmful chemicals such as chlorine, to evaporate.
Six ways to save water in the garden
Clear decaying vegetation
Clear decaying vegetation, including old water lily leaves, which can increase nitrogen levels, turning water green while building up a layer of sediment at the bottom, which can make the pond smell. Remove dead or dying foliage frequently.
Remove pond algae
Remove pond algae, such as blanket weed, which spreads quickly and can choke a pond. Do it by hand or use a bamboo cane, twiddling it around and then taking out the smaller bits with a net. Duckweed can also out-grow its welcome in a pond and should be removed by hand.
Reduce oxygenators
Reduce the volume of oxygenators, such as this hornwort, when they fill more than one third of the pond. These are essential for ponds and keep the water clean, but they need to be prevented from taking over.
Weed
Weed between marginal plants, such as water forget-me-not, as you would between border plants, making sure to take out unwanted seedlings as you go. Sometimes it's easier to remove the pot they're growing in, then divide and replant the marginal before placing it back in the water.
No pond?
Not got a garden pond? Here's how to build your own garden pond.
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