Seed trays, modules and pots
How to make every seed count
21.08.2023 - 12:01 / theunconventionalgardener.com / Emma Doughty
Seeds can be one of the biggest expenses in a garden, and if you spend time tracking down heirloom or unusual varieties then they may also be very precious. Many gardeners sow seeds indoors, or in pots and trays, to ensure a higher rate of germination than you would expect in the open soil, but even doing this does not always ensure successful germination.
If you have had a germination failure already, or your seeds are just too precious to risk, how can you give your seeds the best possible chance at life? One possible answer is to pre-germinate (or pre-sprout) your seeds. Pre-germinated seeds are kept in very controlled conditions for the first stage of their life – away from pests and diseases and the uncertainties of the weather. Only once they have germinated are they planted out. This technique is commonly used by farmers, but it’s easily done by gardeners as well.
Some of the easiest seeds to pre-germinate are peas and beans – large seeds that are easy to handle. Simply pour your seeds into the bottom of a tumbler or jar and cover them in clean water. Leave them to soak overnight, then drain them in the morning. Each morning, rinse the seeds with fresh water and drain them again – exactly as if you were sprouting seeds for salads and sandwiches. Keep the seeds at the right temperature (for peas and beans, room temperature is usually fine) and after a few days you should see them start to sprout.
The first sign of germination is the emergence of the radicle, the first root. Once most of the seeds have started to germinate then you need to plant them out – but be very careful not to damage the radicle, because the seeds cannot re-grow it if it gets broken. Sow the seeds carefully, but otherwise exactly as you normally
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