Q.when can you pick seedpods from trumpet vine
Trumpet vine seedpods are still green. Can I pick them early?

Downtoearthdigs
Answered on September 21, 2015
Let the seed pods mature on the plant and dry out before picking and harvesting the seeds.
Here is link that will help you.
https://www.gardeningknowhow.com/ornamental/vines/trumpet-vine/propagate-trumpet-vine.htm
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