Lettuce (Lactuca sativa) Easy to save Family: Asteraceae Pollination: Self-fertile, perfect flowers Population Size: Minimum one, preferably four or more Isolation: Easy. Time, Distance (6m) or physical barrier Cross pollination: Low risk of cross pollination by insects. Can cross with some other wild species within Latuca genus Processing: Dry method Viability: 3-6 years Most lettuces are annuals and although a cool season … Continue reading Lettuce