At a minimum, how old does a White Oak tree have to be before it produces acorns?

the cork oak is one of the most beautiful and useful barks in the world. Native to the south of Europe, Portugal is the biggest world producer and innovator, items range from corks to insulation panels, decorative fabrics jewellery and many other beautiful uses. Cork is harvested in nine years cicles and the tree marked with the end digit of the year of last harvest (done in a century's old biofrendly technique), unique and Beautiful gifts. search for this beautiful products

love Oaks, they are so magestic looking, king of trees

stashio2020, Bidwell park?