Seed Saving Tips: Preserve Your Favorite Plants for Future Generations

Seed saving has long been the primary way to pass plants down through generations. Continue this tradition by saving seeds from your garden's best performers.

The most reliable plants for seed saving are heirlooms, old-fashioned varieties, and open-pollinated types. Their seeds typically produce offspring true to the parent. Hybrid seeds, however, usually yield variable results and won't replicate the parent plant.

Where to Find Seeds

Most plants develop seeds behind faded flowers—in pods, capsules, heads, or fruits. Seed appearance varies widely: some are dust-like, while others, like morning glories, can be as large as a fingernail.

How to Collect Seeds

Regardless of seed type or structure, the key is harvesting at maturity but before natural dispersal. For most flowering plants, collect seeds after they dry on the plant. For fruits and vegetables, harvest when the fruit is ripe. Remove and clean seeds thoroughly, then dry them in a warm, well-ventilated area for several days before storage.

Best Perennials for Seed Saving

Most perennial seeds can be sown in the garden in fall. Choose a protected spot with loose, well-drained soil, water well, and mulch. They'll sprout readily in spring. Annual seeds are best stored and sown in spring—either directly in the garden or started early indoors.

Easy perennials for seed collection include:

Blackberry lily
Black-eyed Susan
Coneflower
False sunflower
Meadow rue
Obedient plant
Perennial sunflower
Perennial sweet pea
Veronica

How to Store Seeds Properly

Store completely dried seeds in a cool, dry place in labeled envelopes, jars, or handmade packets. Note the plant name, preferred growing conditions (e.g., full sun, moist soil), and any other helpful details. Properly stored, most seeds remain viable for three to four years.

Best Annuals for Seed Collection

Easy annuals for seed saving include:

Cleome
Datura
Larkspur
Marigolds
Morning Glory
Nasturtium
Poppy
Snapdragons

Tips for Collecting Vegetable Seeds

Beans & Peas: Wait until pods dry and begin to split open.

Cucumbers & Tomatoes: Scoop pulp and seeds into a container, add water, and ferment 2–4 days at room temperature, stirring occasionally. Discard floating seeds; sinkers are viable. Rinse and dry thoroughly.

Melons: Seeds are ripe when fruit is ripe. Separate, rinse, and dry in a warm spot.

Peppers: Harvest when fruit is fully ripe (usually red and shriveled). Remove seeds and dry in a warm, dry location.

Learn how to grow heirloom varieties.