April
Nitrogen Fertilization of Garden and Landscape, April 28, 1998

June
Diagnosing Plant Diseases, June 3, 1998
Summer Turf Irrigation, June 17, 1998

July
Arizona Cypress, July 8, 1998
Planting Trees and Shrubs: Beyond the Myths, July 15, 1998
Plant Selection, July 22, 1998
August Garden Forecast, July 29, 1998

August
Photosynthesis and the Meaning of Life, August 5, 1998
Growing Backyard Pecans, August 12, 1998
Beyond the Backyard: Learn About Ranching, August 19, 1998
Organic Matter and Soil Fertility in the Garden, August 26, 1998

September
September Weather, September 2, 1998
Cover Crops and Green Manure, September 9, 1998
Missing, September 16, 1998
Woodrats, September 23, 1998
It's Fall Bulb Planting Time, September 30, 1998

October
October's Gardener, October 7, 1998
Missing, October 14, 1998
Mycorrhizae: The Friendly Fungus, October 21, 1998
Texas Root Rot, October 28, 1998

November
The Verde Watershed, November 4, 1998
Missing, November 11, 1998
Appreciate the Cactuses, November 18, 1998
Mesquite Allelopathy, November 25, 1998

December
Plant Mineral Nutrition, Part 1, December 2, 1998
Plant Mineral Nutrition, Part 2, December 9, 1998
Pocket Gophers 1998, December 16, 1998
Pheromones and Insect Control, December 23, 1998
Conservation Mulching, December 30, 1998