Seed Viability Chart

Ever wondered how long you can save your seeds and have them still be viable? We’ve created this chart to help you determine the longevity of your seeds.

Proper seed storage conditions are cool and dark. The moisture content within the seed greatly affects germination rates. Seeds should be stored in their original packaging in a cool (below 50 degrees Fahrenheit), dark place where their moisture content will stay relatively stable. Here at High Mowing we keep our seed cooler at around 45 degrees Fahrenheit with less than 40% humidity.

Seed Type Longevity Under Proper Seed Storage Conditions
Artichokes 5 years
Arugula 3 years
Beans 3 years
Beets 4 years
Brrocoli 3 years
Brussels Sprouts 4 years
Cabbage 4 years
Carrots 3 years
Cauliflower 4 years
Celery/Celeriac 5 years
Chard 4 years
Collards 5 years
Corn 2 years
Cress 5 years
Cucumbers 5 years
Eggplant 4 years
Endive/Escarole 5 years
Fennel 4 years
Kale 4 years
Kohlrabi 4 years
Leeks 1 year
Lettuce 5 years
Melons 5 years
Mustard 4 years
Okra 2 years
Onions 1 year
Peas 3 years
Peppers 2 years
Pumpkins 4 years
Radish 5 years
Rutabagas 4 years
Spinach 2-3 years
Summer Squash 4 years
Tomatoes 4 years
Turnips 5 years
Watermelon 4 years
Winter Squash 4 years
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4 Responses to Seed Viability Chart

  1. Pingback: A Garden Seed Worth Saving | High Mowing Organic Seeds' Blog – The Seed Hopper

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  4. Bruce Vetter says:

    I have a question about storing seeds in an environment that is cool, away from sunlight and in low humidity conditions, WITH the addition zero oxygen. I do this with laboratory quality vacuum pumps and appropriate glass storage containers. I drawn down to 29.9999 in hg.

    What is your experience in storing seeds in a zero oxygen environment regarding viability?

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