Selecting trees will mostly consist of going to the nursery and seeing what is available. But some basic knowledge is a must.
Selecting and Planting Landscape Trees
Old Landscape Tree Care
UC Davis Shoppers Guide
UC Davis Tree Selection
Trees for Texas Landscapes
Texas Plants
LANDSCAPING FOR ENERGY CONSERVATION
High Plains Gardening * Amarillo based – the best site by far
Amarillo Botantical Gardens is offering a Landscape Design Class 3/24 9am-noon