by Susan LeBlanc, Master Gardener
To plan seed saving with regular plants in the garden, begin with plants that are self fertile such as tomatoes or beans. Select the best looking, disease-free, true to type plants. If you choose to grow the plants for seed saving separately, rogue, or remove any plants that are inferior or show undesirable characteristics. These rogued plants are still fine to eat, just not good for seed saving.
Records and labels, are very important to the seed saving process. Indeed, to save seed for the likes of the Canadian non-profit “SEEDS OF DIVERSITY” member catalogue, one must absolutely know what the neighbours are growing. To correctly save seeds that are guaranteed true- to- type for the “SEEDS OF DIVERSITY” for member cataloguing or donating at Seedy Saturdays, steps must be taken to restrict the introduction of the pollen of other varieties by insects.
The restriction can be achieved by isolating plant varieties by distance. Some isolation distances are remarkable. Lettuce, for example, requires a distance of 1.6 kilometers and beets 3-8 kilometers.
Luckily the isolation distance for tomatoes is only 5 meters! It is interesting that insects prefer flowers and flowering herbs to vegetable blossoms. To further decrease the introduction of pollen of another variety carried in by insects, plant some of the following: Mignonette, Calamintha, Alyssum, Cosmos, Zinnia and older varieties of Sunflower (new sunflower varieties are almost all pollenless).READ MORE