Scott Hildenbrand said:
Best thing about Clematis is you can easily
train the main branch and prune the crud out of it back to the main
without much problem.
That depends solely on the variety. Some get cut back, at the end of
winter, to 8-12".
Just pointing out that it's not always safe to generalize plants' care only
by the genus.
-I'd rather have a free bottle in front of me than a pre-frontal lobotomy.