Clematis: Prime time chat, 0 by pirl

pirl wrote:
Many sites say that climate makes a difference. Your Arabella certainly changed in one week. I like both versions.

I don't know about soil acidity vs. alkaline affecting clem's but I do abide by the thought they prefer lime over acid so I do bury a chunk of cement with each one as I plant it even though our soil is mostly neutral pH. Here's a photo of Mme. Julia Correvon with the chunk of cement on the right.