Clematis spotty yellow leaves

I planted two Clematises ‘Jackmanii Superba’ this spring. They started growing well and more than a meter high now and it seems that they will bloom, but both show some yellow spotty leaves on the bottom of the plant. One…

Clematis

I live in Toronto near Lake Ontario. I have had lots of problems growing many kinds of Clematis. One of the most common problems is that I get some blooms and then the leaves start to dry up, turn brown…