With good storage, garden seeds can last much longer than most people think. Some may only last a few years, while others can last much longer.
The chart below gives a general idea of how long common garden seeds can stay viable when stored properly. Of course, storage conditions make a big difference. Heat, humidity, and moisture will shorten the life of seeds, while cool and dry storage will help them last longer.
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Seed Viability Chart
With good storage, seeds can last 3-12+ years- Beans: 5–8 years
- Beets: 6–10 years
- Broccoli: 5–8 years
- Cabbage: 4–7 years
- Carrots: 3–5 years
- Cauliflower: 5–8 years
- Celery: 8–12 years
- Celeriac: 8–12 years
- Chard: 6–10 years
- Flint Corn: 6–12 years
- Sweet Corn: 3–5 years
- Cucumbers: 10–14 years
- Kale: 4–7 years
- Leeks: 3–5 years
- Lettuce: 3–6 years
- Melons: 5–8 years
- Onions: 2–4 years
- Parsnips: 2–4 years
- Peas: 3–6 years
- Peppers: 3–6 years
- Pumpkins: 6–10 years
- Radish: 5–8 years
- Spinach: 5–8 years
- Squash, Summer: 6–10 years
- Squash, Winter: 6–10 years
- Tomatoes: 5–10 years
- Watermelon: 5–8 years
- Zucchini: 6–10 years
