Water and compost are the gardener’s two most precious resources. City water is reliable yet expensive, but rainwater and greywater are both free and can provide fantastic alternative sources of water.

Aim to establish water storage and a water supply before the growing season is in full swing, so you don’t run into shortages at crucial times.


Although rainwater is free, the challenge is capturing and storing it. Rainwater that runs off roofs into gutters and drainpipes can be easily diverted for collection in large water barrels. For a free alternative to rainwater diverters, try cutting the rainwater downpipe on your house off around 5ft (1.5m) from the ground. When ...

Get Grow Food For Free now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.