Seed Saving — FarmPal

Preserve your best plants by saving seeds for next year, developing varieties adapted to your specific conditions.

Time Required
Varies by crop minutes to hours for processing, weeks for drying
Season
See notes

Benefits

  • •Free seeds year after year
  • •Develop locally-adapted plant varieties
  • •Preserve heirloom and rare varieties
  • •Ensure seed security and self-sufficiency
  • •Select for desired traits

Steps

1
Choose the Right Plants

Only save seeds from open-pollinated or heirloom varieties. Hybrids (F1) will not breed true. Select your healthiest, most productive plants.

  • 💡 Mark best plants early in season don't just save from what's left
  • 💡 Save seeds from multiple plants to maintain genetic diversity
  • 💡 Avoid saving from earliest or latest plants (promotes genetic drift)
2
Understand Cross-Pollination

Some crops (squash, corn, brassicas) readily cross-pollinate. Grow only one variety or use isolation techniques.

  • 💡 Self-pollinating crops (tomatoes, beans, lettuce, peas) are easiest
  • 💡 Isolation distances vary by crop (corn needs 1/4 mile!)
  • 💡 Hand-pollination and bagging can prevent crosses
3
Allow Seeds to Mature

Seeds need time to fully develop on the plant. This often means leaving produce past eating stage.

  • 💡 Bean and pea pods should be dry and brown
  • 💡 Tomatoes and squash should be past prime eating stage
  • 💡 Lettuce develops fluffy seed heads like dandelions
4
Harvest and Process Seeds

Wet-processed seeds (tomato, cucumber, squash) need fermentation to remove gel coating. Dry-processed seeds (beans, lettuce, flowers) just need drying and cleaning.

  • 💡 Ferment tomato seeds for 2-3 days to remove gel and kill diseases
  • 💡 Winnow dry seeds on windy days or use a fan
  • 💡 Thresh dried pods by putting in bag and stomping
5
Dry and Store Properly

Seeds must be completely dry before storage. Store in cool, dry, dark conditions in airtight containers.

  • 💡 Add silica gel packets to storage containers
  • 💡 Label with variety name, date, and any notes
  • 💡 Test germination of stored seeds before planting season

Tools Needed

Breathable bags or envelopes for collection
Screens or sieves for cleaning
Small bowls for wet processing
Airtight containers (glass jars work well)
Silica gel packets for moisture control
Labels and permanent marker

⚠️ Safety

  • •Some seeds are toxic (apple, stone fruits) know what you're handling
  • •Fermentation can produce mold proper ventilation needed
  • •Keep saved seeds away from treated commercial seeds
Seasonal Notes
Most seed saving happens late summer through fall. Plan isolation distances in spring. Store seeds in cool location (refrigerator or cool basement).