A Second Saturday event is scheduled for September 12. The event will feature a presentation called "Trees 'R Us!" by John Wallis, who is Vice President of the Arboretum and a Texas Master Gardener.

This presentation is intended to inform guests about the Arboretum. The event will be held at the Interpretive Center. The presentation is free.

John Wallis will be the speaker, bringing his expertise as a Texas Master Gardener to the discussion. Further details about the event and the presentation are available from the source. The event is an opportunity for guests to learn more about the topic presented by John Wallis.