A rain barrel is a container used to collect rainwater, which can be used to irrigate gardens and lawns and prevent excessive runoff. Rainwater is oxygenated, unchlorinated (chlorine is bad for soil bacteria, not to mention our air), and warmer than tap water, qualities that make it a better source for plants and safer for the environment.

If you use a rain barrel, or are planning on it, make sure it's childproof by having a secure lid. Barrels may also come with a screen filter, an overflow hose (which moves extra water to the garden when it rains a lot), and a tap at the bottom where a hose can be attached.