Trumpet Vine Growth

I bought a trumpet vine late summer of 2021 so I never got it planted. I am in WI, by the way. It wintered inside in a southern exposure window. It grew like crazy and I had to keep cutting it back. This spring I planted it outside. It is a beautiful, healthy dark green plant that never grew. I mean NEVER got any bigger. It us planted in an area that is partial sun. I can’t decide whether I should duf it up and bring it in for the winter or let it winter outside and see what hapoens.

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1 Comment To "Trumpet Vine Growth"

#1 Comment By GKH_Susan On 09/11/2023 @ 1:15 am

It is taking a while for its roots to get established, rather than putting on top growth. Leave it for the winter, then in spring, it should take off. If it doesn't, have your soil tested; there may be a problem there. Trumpet vine is not particular about soils and does not need fertilizer.

It is hardy to zone 4, so it should do Ok in winter. It should die back but return in spring. It suckers underground, so be sure it is in a place where you can mow off the suckers or where it won't overtake other plants.

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