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Seed Saving

Purpose: preserve viable, true-to-type seed stock each season so production does not depend on external supply chains.

Do This First

  1. Use open-pollinated varieties for saving.
  2. Tag best-performing plants early.
  3. Harvest seed only at full maturity.
  4. Dry, label, and test viability before storage.

Crop Difficulty Table

CropDifficultyCross-Pollination RiskStorage Life
Beans/peasEasyLow3 to 5 years
TomatoEasyLow4 to 6 years
LettuceEasyLow2 to 4 years
SquashMediumHigh4 to 6 years
CornHardVery high2 to 3 years

Decision Table

If this happensDo this nowBackup actionVerify
Seeds mold during dryingIncrease airflow and reduce layer depthUse desiccant chamberSeed snaps clean, no odor
Labels missing/confusedSeparate batches immediatelyMark as unknown trial stockNo unlabeled jars remain
Poor germination testIncrease seeding rateReplace with reserve stockGermination above target threshold
Cross contamination riskEnforce isolation distancesHand pollination and baggingTraits remain stable next season

Storage Protocol

Simple rule: cool + dry + dark equals long seed life.

Common Mistakes and Fixes

Scenario Drills

Drill 1: Emergency Seed Audit

  1. Inventory all seed lots in 30 minutes.
  2. Identify missing labels and weak lots.
  3. Prioritize replacement and test list.
  4. Goal: full visibility by crop and year.

Drill 2: Germination Failure Response

  1. Simulate 50% germination drop.
  2. Recalculate planting density and backup seed use.
  3. Adjust calendar for reseeding windows.
  4. Goal: maintain planned harvest output.

Printable Checklist

Safety note: one mislabeled seed lot can disrupt an entire season. Label discipline is a survival skill.
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