Skip to main content Currently Reading A guide to the small trees you should plant in your San Antonio garden: Mexican plum, Texas redbud, desert willow, Mexican olive Calvin Finch, Gardening FacebookTwitterEmail 2of4 3of4 4of4 Desert willow in a xeriscaped yardSWInsider /Getty Images / iStockphotoShow MoreShow Less If you listen to Jerry Parson’s and my radio show Gardening South Texas, you know we have been emphasizing that this is a good time to plant shade trees. (The show airs on KLUP (AM 930) from noon to 2 p.m. every Saturday and Sunday, and you can listen to old shows at 930amtheanswer.com.)