Cleaning and Storing Your Own Seed


Information on cleaning, storing, and saving your own seed

The following section provides a brief introduction on how you can process your own seeds for saving. Additional resources can be found through the links supplied on the Resources page; particularly Breed Your Own Vegetable Varieties by Carol Deppe. We have found that properly saved seed outperforms commercially purchased seed for most crops.

Cleaning

Fleshy fruits are typically wet processed. This includes washing and sometimes fermentation to reduce seed-born diseases. Dry seed can be threshed from the pod and further winnowed from the chaff to get clean seed. Pea seed weevils can be an issue due to large scale conventional pea production in our area. To avoid this we bag individual flowers and freeze all of our seed to kill any larvae.

Dry seed, more often enough can be cleaned of seed-born pathogens by using hot water treatments, but these can vary with time and temperature so experimentation and additional research are suggested. Contact us with questions about treatments to rid seeds of seed-born pathogens. Remember prevention can save a lot of heartache, so keep your maturing pods as dry as possible.

Storage

Short-term seed storage is fine in paper bags, envelopes for small samples, or 5 gallon plastic buckets for larger ones. Low humidity, airtight, and low-light storage will maintain seed viability and vigor longer than seeds stored under fluctuating temperatures and humidity. Mason jars work well for seed storage. For long-term storage, keeping airtight containers with <8% moisture at -20C in the freezer will keep seeds for at least ten times longer than if kept at room temperature.

For information on the families of plants we are conserving, please visit our Seed Information Library.

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