Edible gardening guide

How to grow delicious vegetables, herbs, and fruit at home

How to harvest heirloom tomato seeds

Follow these instructions for saving your own tomato seeds for next spring

Step 2
Thomas J. Story

Step 2

Allow the seed mixture to sit until the surface is partially covered with whitish mold (in three to five days). In warm climates, you may need to add a little water midway through the process to keep the seeds afloat. Scrape off the white mold with a spoon, being careful not to remove seeds.

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