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From: Owosso, MI
Region: Midwest
Topic: Vines
Title: Propagation of trumpet vine
Answered by: Barbara Medford
The propagation instructions for Campsis radicans (trumpet creeper) are listed on this plant's page in our Native Plant Database and are as follows:
Propagation Material: Seeds
Seed Collection: Gather ripe capsules when they turn brown but before they dry and split open (between 2-3 months after flowering). Remove seeds from pod, air dry, and store in sealed, refrigerated containers.
The plant is native to Michigan, so should not be a big problem. It propagates itself very easily, and can be invasive, so be sure to plan a sufficient space where it will not disturb other plants.
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