While seeds don't have expiration dates as such, they do have a shelf-life after which you might find that they're no longer viable to produce new plants for your garden. But how do you know if those seeds you've found at the back of your shed are still going to sprout come springtime?
To take the guesswork out of the equation, you can do a few, simple viability tests to figure out if they're worth sowing at all — and how much from the packet you can sow.
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