Dale Groom - The Plant Groom: Features columns, information on television and radio programs, and books by the gardening expert.
Extension Information Resources Index - Aggie Horticulture: Sections include vegetables, fruit and nuts, gardening, composting, propagation, landscaping, nursery, horticultural programs, and harvesting and postharvest resources.
Fruit Gardening in the Landscape - Aggie Horticulture: Appropriate varieties, climate, plant management, and problem control for Texas fruit crops.
Gardening Naturally in Central Texas: Includes tips about xeriscaping, permaculture, and companion planting. Also includes a directory of resources, such as farmers' markets.
GardenStops.com: Gardening information including a plant database with descriptions and cultivation information, including in which Texas areas the plant will thrive.
Gardenweb - Gardening in Texas: Forum for discussing various aspects of plant care in the state.
Home Grown Texas: Bi-monthly magazine for Texas gardeners. Site offers selected articles, state gardening resources, and links.
Howard Garrett - The Dirt Doctor: This is the online version of Howard Garrett's basic organic program. This site includes information for beginners and experienced gardeners alike, including valuable tips and treatments for a variety of garden problems.
Melody's Gardening in Central Texas: Provides lists, tips, book reviews, and links on topics relevant to Texas gardening.
Neil Sperry: Real, honest, useful gardening information, and all of it just for Texas.
Ornamental Horticulture for Houston and the Gulf Coast Area: Lists recommended trees and books, basics of landscaping, and information about bonsai, plumeria, bromeliads, bougainvillea, gingers, hollies, and orchids.
Plant Answers: Includes questions and answers from Texas A&M.
PLANTanswers Index - Aggie Horticulture: Expert answers to questions about a variety of plants organized by category, with additional online publications about particular topics.
Plants for Mediterranean Climates: Lists of plants for deer resistance, dry shade, fast growing trees, and clay soils. Some species specific content.
Texas Gardener: Waco-based magazine provides tips on vegetable gardening, landscaping, and xeriscaping, with sample articles, index, and links to other resources.
Texas Home and Garden: All about gardening in Texas. Includes city-specific information, show dates and locations, articles, advice, and product search.
Texas Home Gardening Guide - Aggie Horticulture: Reference for home gardeners in Texas, including frost dates and recommended practices.
Texas Master Gardener Information Index: Includes links to online problem solvers and search resources for gardening in Texas and elsewhere in the South.
Texas Superstar Plants: Plants developed the Texas Agricultural Extension Service. Features retailers, growing tips, and directory of selected plants.
The Field Report: Rose cultivation information, with specific recommendations for the state.
The Plant Life of Texas - Texas Parks & Wildlife Department: Vascular plants, wildflowers, mints, grassland plants, wildscapes, vegetation types, and sources of native types.
Wildflowers in Bloom - Aggie Horticulture: Collection of wildflower cultivation information compiled by Wildseed Farms.
Yahoo! Clubs texasgardens: Topics on this list are open to anything relating to gardening in Texas - plants, vegetables, water gardening, birds, animals, pests, weeds, containers, etc.