After his many years does a willow oak start Producing acorns
Extension
Message
From:
Jay Hayek
Extension Specialist, Forestry
Department of Natural Resources and Environmental Sciences jhayek@illinois.edu
According the US Forest Service "Silvics Manual," willow oak will begin producing acorns around age 20. However, you can probably expect some trees to produce a nominal number of acorns prior to that age.
