Mrs. Kangaeroo and I woke up early, let the dinosaur roam free for a while to stretch her wings, then headed off to Atami for one of Japan’s few jacaranda festivals. We’ve got a jacaranda in our garden and it has proven to be pretty fickle, so I was very interested to see how more experienced, more skillful gardeners such as those good enough to hold a festival centered on the trees would handle the South American natives. And it was interesting, indeed, because the 100-odd trees the city has grown in the 34 years since being presented with a…