The bonsai and associated gardens are, and many of the trails are.
Yes , it's accessible
Yes there is
Completely so. Check to find out directly however on all buildings and trails, but be advised it is very big, the land, and there are hills.
Yes, mostly it is outside and some areas may not be easily accessible, but the main buildings are all accessible.
It is accessable. They have ramps at the visitor center.
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