One of the most striking aspects of my last visit to Oz (in the early southern spring of 2022) was seeing how honey bees swarmed around bottlebrush trees, clearly enjoying their presence and making me wonder if Japanese bees would like the callistemon in our garden. We got the flowers, but didn’t see too many bees until last week. Bees are great for gardens because they pollinate flowers and play a crucial role in diversifying the environment and attracting other creatures, such as birds. And the rumor mill must have been abuzz as the bottle brush in our garden is…