Q.Slow Start For Clematis Durandii
I purchased and planted my first clematis durandii (first clematis ever) about a month ago. It gets sunlight from sunrise to mid afternoon—about 8-9 hours. My soil is a little heavy with clay but I’ve been adding compost for 2-3 years and incorporated some packaged cow manure when I planted it. However, it looks the same as the day I planted it. I expected some nice growth by now. I have applied Miracle Grow with sprayer about one week ago. Any advice to help jump-start this plant would be appreciated.

Certified GKH Gardening Expert
It may be establishing roots instead of putting on new growth. I can't tell if it's camera light or if there are white spots on the leaves. I also may see a few aphids. Go ahead and spray it with Neem oil in case it has powdery mildew. It gets plenty of sun, so it may be light reflection.
Also, add some mulch around it. Clematis like their roots shaded, but their leaves in full sun.
https://www.gardeningknowhow.com/ornamental/vines/clematis/growing-clematis.htm
https://www.gardeningknowhow.com/plant-problems/disease/get-the-cure-for-powdery-mildew.htm