Lone Star Daylily Society
- Membership and meeting information, club photo gallery and daylily FAQs.
- http://www.lonestardaylilysociety.org/

Garden Club of Houston
- Non-profit organization does lectures, flower shows, and promotes conservation. Lecture and community information.
- http://www.gchouston.org/

River Oaks Garden Club
- Organization in Houston, maintaining several area gardens, and organizing annual tours, sales, and seminars. Event calendar, and information on gardening and conservation.
- http://www.riveroaksgardenclub.org/

Magnolia Garden Club
- Organization in Beaumont presents its flower show, photography and plant care tips, and calendar.
- http://www.magnoliagardenclub.org/

Lone Star African Violet Council
- Texas organization for African violet enthusiasts. Information about membership, events, local clubs, Texas hybrids, and links to other resources.
- http://www.lsavc.org/

Texas Master Gardener Association
- Includes events, newsletters, officers, and bylaws.
- http://www.texasmastergardeners.com/

Kingwood Garden Club
- Aims to cultivate knowledge of gardening, and to aid in protection of native trees, plants, and wildlife. Projects, gardening tips, and membership information.
- http://www.kingwoodgardenclub.org/

Texas Garden Clubs, Inc.
- Affiliate of National Garden Clubs, Inc. with over 500 member clubs throughout the state of Texas.
- http://www.texasgardenclubs.org/

First Men's Garden Club of Dallas
- Dedicated to gardening and composed of members with a wide range of horticultural interests and expertise.
- http://www.dallasgardeners.org/