Building a Productive Greenhouse

The Year-Round Growing Space A 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 Options Polycarbonate twin-wall panels are the most practical covering material for Australian home greenhouses — lightweight, impact-resistant,…