Building a Productive Greenhouse

The Year-Round Growing SpaceA greenhouse transforms cool-climate gardening. It extends the growing season by 6–8 weeks at each end of the season, allows year-round production of salads and herbs, provides the warm environment needed to start seeds early, and enables the cultivation of tropical plants impossible outdoors in cold climates.Structure OptionsPolycarbonate twin-wall panels are the most practical covering material for Australian home greenhouses — lightweight, impact-resistant, goo…