If you are in Harrisburg, you can't do better than take your questions to Jim
Doyle at Nature's Way Nursery.
A HREF="http://www.natureswaybonsai.com/"Nature's Way Nursery/A
Iris,
Central NY, Zone 5a, Sunset Zone 40
"The trouble with people is not that they don't know but that they know so much
that ain't so."
Josh Billings (Henry Wheeler Shaw), 1818-1885