Answer: I always loved staghorn sumac in the fall, but alas it doesn't grow where I now live. A plant source database search for Rhus typhina came up with the following. You will need to check with them directly for current availability.
Forest Farm, OR http://www.forestfarm.com
Greer Gardens, OR http://www.greergardens.com
Out Back Nursery, MN http://www.outbacknursery.com
McKay Nursery, WI http://www.mckaynursery.com
Sheffields Seeds, NY http://www.sheffields.com (listed as a seed supplier)
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