Green Thumbs Up Education Programs


The Williamson County AgriLife Extension Office and Williamson County Master Gardeners are offering a year of Green Thumb gardening and landscaping classes this year!

All classes are located at the City of Round Rock Library, from 6:30pm – 8pm.
Classes are free and no pre-registration is required.



Basic Garden Maintenance

February 6, 2019

Plant Selection

March 19, 2019

Turf Management

April 23, 2019

The Good, The Bad, and The Beautiful:

Speaker, Walt Black will discuss good and bad bug identification, traits, advantages and control of them.  He’ll also cover integrated pest management (IPM), the Monarch butterfly lifecycle, and butterfly gardens. 

May 14, 2019

Irrigation: The Key to Successful Gardening

Topics include design, installation, maintenance and repair.  Speaker Walt Black will concentrate on garden irrigation, not lawn.  Lots of demonstrations and how-to pictures!

June 6, 2019

Tree Problems

Topics covered in this presentation will include (1) oak wilt prevention and treatment, (2) pruning, planting, and diseases in fruit, nut, and landscape trees, and (3) basic tree biology

July 9, 2019

Fall Vegetable Gardening

Hear about preparing your fall garden beds, mulch, winter protection, which seeds to start indoors and which to sow directly into the soil.

August 13, 2019

Bulbs and Their Relatives

Topics include definition of bulbs, corms, rhizomes, tubers, and tuberous roots; also proper planting, propagation, fertilization, and pruning.

September 10, 2019


Master Gardener Brenda McIndoo will present about shrub pruning, planting, care, and selection.

October 8, 2019

Tree Selection, Planting, and Pruning

Topics include the selection of trees for Central Texas, proper planting, pruning, fertilization, and watering.

November 7, 2019

Weed Management

December 10, 2019