One of the biggest challenges of growing an organic garden is keeping away pests and diseases without using harmful pesticides. But as Bob illustrates in this necessary guide for any organic gardener, it is possible to keep your garden chemical-, pest-, and disease-free all at once. A master at growing organic produce, Flowerdew outlines the best natural methods, from building effective physical barriers and pest traps out of plants and recycled materials to using such natural pest predators as birds, reptiles, and even other bugs.