How to Save Soybean (Glycine max) Seeds

Seed Saving Guide #2691
Family: Fabaceae
Binomial name: Glycine max

Flower Type Perfect, self-fertile
Pollination Self-pollinated
Isolation Distance 3m
Population Required for Viable Seeds 1
Population Required to Maintain Variety 5-10
When to Harvest When pods become brittle and change colour from green to tan.
How to Harvest Cut or pick pods from the plant; spread out on a screen to dry until seeds are hard. Shell seeds from individual pods by hand or place multiple pods into a sack and gently tread on them to release the seeds.
How to Clean Screen or winnow to remove remaining stalks and chaff if required.
Image of Seeds Soybean (Glycine max)

What is Seed Saving?

Seed saving is the practice of collecting and storing mature seeds from open-pollinated plants. By allowing plants to reach full maturity and harvesting the seeds, they can be cleaned, dried, and stored for future use. 

  • To learn the techniques and methods needed to save seeds in your garden, we recommend reading our seed saving series.
  • To view a combined table of all our seed saving guides view our Seed Saving Chart.
  • To browse our seed saving guides individually click here.