All The Dirt Gardening, Sustainability and Food

Dr Philip Groom, author of Plant Life of Southwestern Australia, talks about the adaptations that plant have to cope with the world's most nutrient- impoverish soils, a hot dry summer, frequent fires and the animals and birds that want to eat them!

Dr Philip Groom, author of Plant Life of Southwestern Australia, talks about the adaptations that plant have to cope with the world's most nutrient- impoverish soils, a hot dry summer, frequent fires and the animals and birds that want to eat them!

There are over 25,000 orchid species known and many more hybrids. With just a little knowledge, orchids can be surprisingly easy to grow. Join Kaye and Jay Baylis from The Orchids Society of Western Australia as they chat everything orchids with Deryn and Steve.

There are over 25,000 orchid species known and many more hybrids. With just a little knowledge, orchids can be surprisingly easy to grow. Join Kaye and Jay Baylis from The Orchids Society of Western Australia as they chat everything orchids with Deryn and Steve. 

Digby Growns is Kings Park's Senior Plant Breeder. Digby, leads a small team of staff and volunteers involved in the plant breeding program. This week Deryn and Steve discuss the science behind plant breeding.

Louise Clark is a horticulturist at Morris Arboretum in Philadelphia in the US, and provides advice on growing green roofs, expands on her favourite trees and gives us an insiders look at the many outstanding gardens in the Philadelphia region.

Dr Josh Byrne, television gardening presenter with ABC's Gardening Australia, talks about how his love of nature and childhood spent in the garden developed into a career developing sustainable environments.

Dr Josh Byrne, television gardening presenter with ABC's Gardening Australia, talks about how his love of nature and childhood spent in the garden developed into a career developing sustainable environments.