Catalpa bungei

Not sure what is wrong with my tree. It’s growing from the trunk but no new growth on the top. It’s early in the season, but I’m concerned it will not grow this year at all.…

Overwinterizing Catalpa

I live in Ottawa, Ontario and started 2 Catalpa seeds in February. I have had to re-pot then twice as they grow quickly. They are now 28″ tall and am wondering how to overwinter them. I have no place to…