Master Gardeners to present ‘Growing Olives in Texas’ Posted in: News Jim Henry, owner of the Texas Olive Ranch, will speak about olive trees and olive oil production in Texas, at 10 a.m., Thursday, July 18, at the Van Zandt County Library. This program is sponsored by the Free State Master Gardeners and the public is invited to attend at no ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!