My Wandering Passion Flower 6 Years Old Has Suddenly Withered And Looks Dead In Some If It , The Roots Look Fine, What Can I Do?.

Question

Last summer it was beautiful

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Answer 1

It is hard to say, but it doesn't look like it has had a trim in quite a while. This could introduce infection.

They will benefit from annual pruning, or at least every 2 years, or so. Here is an article to help with pruning: https://www.gardeningknowhow.com/ornamental/vines/passion-flower/cutting-back-passion-vines.htm

There is still the issue of infection. You will want to treat with a fungicide, after you remove all dead or infected matter. This article will help:

https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm