How to remove algae from garden walls in five steps – and the cleaning product experts rave about for tackling it fast

A garden with a garden bench with a rattan backrest set against a stone wall with hanging planters.

As we start to spend more time in the garden and soak up the spring sunshine, it's time to tackle the jobs that we've previously been able to ignore. And if an annoying, slimy green substance has made a home on your walls, removing algae from garden walls should be the top of your to-do list.

Fortunately, it's fairly easy to learn how to remove algae from garden walls. Similar to removing algae from a patio, and cleaning algae off garden furniture, you just need the right equipment and a little know-how.