I meant 15 degrees centigrade. I tried to translate to a temperature you americans might understand but I failed! An interval of 15C = 27F but apparently a temp of 15C = 59F which makes no sense obvs. It would simplify things if you lot started using a proper temp scale like evryone else;)
Good...
I am overwintering a few small Zimbabwe black plants for the first time, here in England. I have pruned then right back to 6" stems but instead of going dormant they are now sprouting lots of new growth. Is this normal? If not how do i convince them to go to sleep? I didn't bother pruning the...