Well, whether Dinnerbone wants to do it or not he has no choice but to do it now. It's now on the wiki and people now want it a lot. If not, it'll stir up more trouble as with the fishies. Oh! And the lamb-chops and the Calamari food as well.
It should make its way into the update one way or another. I'll be having fun lining the streets on my rebuilt town with it when it does get added in. If it doesn't then well........loads of disappointed people. Little change does a lot.
Geuder doesn't know a lick of Java, so if the cherry trees get added, it'll probably be through him enlisting the quick help of someone on the Scrolls team. Whether or not that will actually happen has yet to be seen.