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It depends on how and when you sow the seeds. I sowed my seeds indoors in toilet rolls at the end of March. I planted them out mid-May and they started blossoming in June and are still going strong. You have to cut the flowers regularly and make sure they don't form seed pods if you want to get long-lasting blossoms. I also sowed seeds outdoors to see how they would do by comparison. They did very poorly.

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14y ago
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12y ago

Well my sweet peas took 6 days just to crack through the seed :)

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15y ago

1-2 months

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Q: When do sweet pea flowers grow?
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