Barnes Arboretum School
I'm posting this in case anyone here might be interested in the program at the Barnes. Scroll down part way to view details. I am not affiliated with the school.
ARBORETUM SCHOOL AT THE BARNES FOUNDATION
Merion, PA 19066
A few more spaces are available in the first year class of the three-year Horticulture program of the Arboretum School at the Barnes Foundation, and those interested in it can still sign up. Call 610 667 0290, Ext. 3825 or 1071. First year students attend class all day Monday for the entire semester. Classes start on Monday September 08, 2008.
Here is a link that might be useful: Arboretum School of the Barnes Foundation