Best ~20ft Mulberry Tree
I've been researching mulberries online for the last few days. I'm planning a spot on a terrace for it. Space is probably 15x20'. Soil will be amended clay. Location: San Diego 4 miles inland. I'd like a relatively fast growing mulberry that's going to top out around 15-25ft. The best tasting and probably not nigra (don't want the stains). Something to provide shade and a visual focus in the back yard as well. Its replacing a large ficus who's roots have gone everywhere including towards the pool.
My thought at present is to get an Illinois Everbearing and Pollard it at the height I want. I'm a bit worried about the roots busting through the retaining wall though.
Considered Pakistan Mulberry as well but I think it'll be too short.
The information I've found online regarding Mulberry tree heights is very inconsistent. I did find one discussion which I think said that growing Mulberries w/o root stocks will make them a bit shorter but I can't relocate it.