How to Save Radish (Raphanus sativus) Seeds

Seed Saving Guide #2729
Family: Brassicaceae
Binomial name: Raphanus sativus

Flower Type Perfect, self-incompatible
Pollination Insect pollinated
Isolation Distance 500m
Population Required for Viable Seeds 5
Population Required to Maintain Variety 20-50
When to Harvest In the second season when seed pods (siliques) become brittle and change colour from green to tan.
How to Harvest

Cut branches and spread out to dry in a sheltered position.Thresh by placing siliques in a tarp and treading on them to release the seeds.

How to Clean

Screen and winnow to remove chaff.

Image of Seeds Radish (Raphanus sativus)

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.