Tree advice needed.
Hi, I need help finding two trees. I'm very new to gardening and despite constantly searching can not seem to find any suitable trees, websites etc are very vague and lack quality pictures of end results etc. One tree needs to have a narrow trunk with a growth height of about 1.5metres. The second has to have the same growth height but any trunk width. Both trees would ideally be great for bees, butterflies etc. They will be planted in clay and get plenty of Sun. Any help would be greatly appreciated, thank you in advance.