How far north will osage orange grow? I just talked to someone who
remembers it on their home farm east of Madison, WI., but I am hours north
of there, in the cold part of zone 4.
Jim,
The map at the WI Herbarium site shows it growing in Iowa, Lafayette, and
Rock counties in southern WI. Will it grow farther north? I don't know;
but, if you could find someone in those areas who could provide seed from
that provenance, they might be your best bet to thrive or survive in your
site.