Close the loop before autumn
Seed saving works best from open-pollinated varieties you already know perform on your site — not hybrid supermarket leftovers that will not breed true. Late summer is selection time: mark the healthiest tomato vine, the bean row that handled drought, the coriander that bolted slowest.
Dry thoroughly before storage — mould in a jar destroys a year’s work. Label with variety, date, and location; humidity in Northland differs from Canterbury storage needs.
Seed saving basics
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Choose parent plants early
Flag with ribbon — do not harvest everything from your best performers.
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Ferment tomato gel (optional)
Removes inhibitors; rinse and dry on labelled paper plates indoors out of direct sun.
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Dry beans and peas on plant
Pick when pods rattle; finish drying undercover before shelling.
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Store cool and dry
Paper envelopes in airtight box with silica gel in humid districts; fridge if stable temperature.
Family activity: Children decorate envelopes and draw the parent plant. Discuss why hybrids from shop fruit may not grow true — gentle genetics lesson without jargon.
Isolation distances
Beans mostly self-pollinate; corn and squash cross freely — research isolation or hand pollination if purity matters.
Next edition
Autumn planting and storage editions pick up from here — garlic, preserves, and bed rest.