“Solanaceous vegetables, like tomatoes and peppers, and brassicas ... If you’d like to determine the germination rate of your ...

How can I test if my old seeds are still good to plant ... while warm-season seeds from tomatoes, peppers, and beans require drier conditions," Clarke explains. "Carrot, parsley, and onion ...

but these basic guidelines will help you judge if your old seeds are worth keeping around. Onion, parsley, corn, pepper, and parsnip seeds are relatively short-lived. Their germination rates ...