Friday, September 9, 2011

Saving Tomato Seed

Save seeds from an open-pollinated (OP), rather than hybrid (F1), tomato. 

Save seeds from tomatoes that are fully ripe, but not over-ripe.

Save seeds from your favourite varieties, choosing your best for seed.


  1. Slice tomato across the middle. 
  2. Squeeze tomato seed and surrounding gel into clear glass or plastic container,  labelled with variety of tomato and date.
  3. Cover seed with 2 to 3 inches of water.
  4. Allow seed/water to sit 2 to 3 days, until mould forms on top of water.  This is a sign that the gel coating that surrounds the seeds has broken down.
  5. Remove mould, water, and any floating seeds (these floaters are bad).  Place remaining seeds in fine-mesh strainer. 
  6. Rinse a few times, dislodging any gelatinous material surrounding seeds.
  7. Allow seed to dry in single layer on paper plate (labelled with variety of tomato) or similar material.
  8. Allow seeds to completely dry for several days.
  9. Once dry, store in envelope in cool, dry place for up to 4 to 7 years.

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