Collecting and storing seeds from garden plants for replanting in future seasons. Only practical with open-pollinated or heirloom varieties (F1 hybrids do not come true from seed). Helps preserve genetic diversity.
Seed saving is a rewarding gardening technique that allows you to preserve plant varieties suited to your local climate and reduce ongoing seed purchasing costs. To successfully save seeds, wait until flowers have fully matured and dried on the plant, then collect seed pods or heads on a dry day. Store seeds in a cool, dry location—ideally between 10-15°C—in paper envelopes or breathable containers, clearly labelled with the variety and date.
Australian gardeners should note that not all plants produce viable seeds reliably in all climate zones. Heirloom vegetables like tomatoes, beans, and lettuce are excellent for beginners, whilst hybrid varieties won't breed true to type. In tropical zones (zones 10-12), store seeds in a cool room away from humidity. In cooler southern regions, seeds can be stored longer due to lower temperatures naturally extending viability. Many Australian gardeners source storage supplies from Bunnings, including seed envelopes and small containers.
Ensure plants are fully mature and dry before harvesting—wet seeds develop mould. Cross-pollinating plants may require isolation distances to maintain genetic purity. For best results, save seeds from your healthiest, most productive plants, effectively selecting for varieties that thrive in your specific garden conditions and local climate.