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Cambridge City Council

Help us water new trees

If you are able to continue to help us water new trees while adhering to government guidelines on social distancing during the COVID-19 outbreak, please read our advice on how you can help [PDF, 0.1MB].

Our Tree team plants around 250 new trees every year, to replace those lost to old age.

For the first three years, newly planted trees need a little extra care and attention to help them get established. The most critical element is to keep them well watered while they adjust to their new surroundings.

We will water all new trees regularly, but need your help. If you notice a new tree on your street, you can do your bit. It doesn't matter whether you have a hosepipe, a watering can or even just the washing-up bowl.

In return, the trees will provide clean air to breathe and homes for birds and creatures. It will help to cool the streets, combating the ill effects of climate change for future generations.

Follow our watering tips during the growing season (April to September):

Guide to watering frequency for newly planted trees
Month First year after planting Second year after planting Third year after planting
April Once per week – twice if very hot or dry Only if very dry Only if very dry
May Once per week – twice if very hot or dry Once per fortnight Only if very dry
June Once per week – twice if very hot or dry Once per fortnight Once per month
July Once per week – twice if very hot or dry Once per fortnight Once per month
August Once per week – twice if very hot or dry Once per fortnight Once per month
September Once per week – twice if very hot or dry Only if very dry Only if very dry
  • One big drink a week is best, but more often is fine during very hot weather
  • Ideally, try to give at least 20 litres per watering – although anything you can manage is great
  • Tap water, rain water or even dishwater is fine. Please make sure no chemicals stronger than washing-up liquid are in the mix
  • If there's a green watering bag, fill it through the slot at the top (possibly hidden under the label). If it's easier, just slowly pour the water over the roots, letting the water soak deep into the soil
  • Ask your neighbours to get involved, especially if you’re planning on going on holiday over the summer
  • Try not to water when the ground is wet and soggy. Rainfall isn't always enough to satisfy newly planted trees, but too much water can be as bad as not enough
  • If you use a hosepipe, do so safely – don't leave it unattended or trail it across the road
  • The best time to water is either in the morning or at night. Try to avoid the hottest part of the day, although water anytime is better than no water at all
  • Feel free to share your efforts on social media using #CamTrees - Thank you

Service related queries

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