In this video, I show you how to make a self-watering planter wicking raised garden bed. These types of self-watering beds ...

To take the raised garden bed concept one step further, it's possible to build them as wicking beds, which will greatly reduce the amount of time it takes to water them (virtually eliminating one ...

Wicking beds have a reservoir of water under the soil level, like a big self-watering pot. Sophie gives details instructions on how to make them here.

Gabion walls filled with building rubble are another option for a solid bed with low environmental impact. Raised beds can also be used to make wicking beds.

There are plenty of online tutorials showing how to make your own wicking beds, or you can buy kits or complete systems (see waterups.com.au, modbox.com.au, wickingbeds.com.au and vegepod.com.au).