Why does my clamatis plant die around the bottom and then up the plant. Part of it is blooming and part is dead.
Certified GKH Gardening Expert
This time of year, fungal infections are very common. I recommend adding dolomitic lime and wettable sulfur to the soil. This will cure any infections, along with restoring the soil to a more suitable conditions.
This article will help you to know when to prune the clematis that you have: https://www.gardeningknowhow.com/ornamental/vines/clematis/pruning-clematis-vines.htm
This sounds like Phymatotrichopsis and Phytophthora root rots may cause clematis to wilt and decline. You may be able to see some of the rotten plant tissue near the soil line. To help the plant recover, Penn State Extension recommends removing infected leaves as they appear and pruning to increase air circulation. Only plant clematis in well draining soil. Water it regularly to keep the soil moist, but do not let it become waterlogged or flooded. Keep water off the leaves, because wet leaves can encourage fungal development.