To reach full maturity, oak trees (Quercus spp.) require several decades. The trees are between 20 and 30 years old when they begin to produce their first acorns, depending on their species. Still, acorn output does not remain steady from year to year in spite of these efforts.
When do oak trees produce fruits?
Regardless of when a tree begins to give fruit, most oak trees do not produce their finest crops until they are at least 50 years old and no more than 80 years old. What is the frequency with which oak trees produce acorns?