Earth Week: How to build a sustainable garden

AUSTIN (KXAN) - From plants and pollinators to irrigation and green energy, the Lady Bird Johnson Wildflower Center is quintessential when it comes to "sustainable gardens."
The center in south Austin is home to more than 800 species of plants, designed to not only inspire but also educate gardeners on which trees and flora thrive in our Central Texas climate."A lot of it's often as simple as just picking native plants, instead of going with some of the ornamental ones," said Sean Griffin, direc