Learn from UC Master Gardener Otis Johnson, how to make a keyhole Garden. Keyhole gardens are circular raised bed gardens. Crops are planted in the larger outer circles and the center portion of these gardens are active composting baskets. Small aisles are built to access the compost baskets. Keyhole gardens get their name from the bird’s eye view of these features.
The composting basket is center to the success of keyhole gardens. Kitchen scraps and grey water are added daily to the compost basket for continuous replenishment of the soil. The soil for keyhole gardens is specially layered to boost its ability to maintain moisture and nourishment. This class is FREE.