I think we are done with the 60s and won't have any more rain until fall. Night temps are still in the 40s.
My climate is so different than yours, that I am amazed that these plants have made it.
When I went shopping down the mountain, yesterday, I checked for heucheras in two places and they didn't have anything. My guess is that it is simply too hot down there during the summer, so they don't carry heucheras in stock.
I guess it's mail order for me.
Smiles,
Lyn
