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When to harvest seeds

Good morning, I'm fairly new to gardening but have totally fallen in love with it. A lot of flowers in my garden have flowered, and as a result are showing seed pods. For example one of my sweet pea plants and my red room bush have flowered and have what i would describe as miniature runner bean type seed pods showing. When can I harvest these and collect the seeds ready for next year? Do I wait till they drop off then collect them or before this? Also do I need to store them in a particular way so they are good to go when I want to plant them? Many thanks Ross


  • nutcutletnutcutlet Posts: 27,361

    Let them ripen totally (go brown) in the plant then you can pick them off and remove them from the pods. Let them dry completely. Store cool in paper bags/envelopes. Never polythene, they sweat and go rotten.

    In the sticks near Peterborough
  • fidgetbonesfidgetbones Posts: 17,441

    I would cut off all spent flower heads on sweet peas, and not let any set seed until late August. If they seed now they will stop flowering. With sweet peas, you need to keep on cutting at the time of year.

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