What Is Xeriscaping? The Complete Austin Guide

Every great xeriscape starts on paper. The design phase maps out hydrozones — grouping plants by their water needs so irrigation is never wasted on plants that don't need it.

In Austin, we design for three zones: high water (container plants, seasonal color, food gardens), moderate water (established perennials with occasional deep watering), and low/no water (native plants, gravel areas, hardscape). Separating these zones on a plan is the single biggest driver of long-term water savings.

This is where xeriscaping earns its reputation. Native and adaptive plants selected for their match to local conditions — sun exposure, soil pH, drainage — require dramatically less water than conventional ornamental plants.

In Central Texas, this means leaning on plants like Texas Sage, Flame Acanthus, Salvia greggii, Gulf Muhly, Mexican Feathergrass, Texas Live Oak, and Desert Willow. See our full 20 Texas native plant guide for the complete list.

Mulch is the unsung hero of water-efficient landscaping. A 3–4 inch layer of shredded hardwood mulch or decomposed granite over your planting beds reduces soil moisture evaporation by up to 70%, suppresses weeds that compete for water, and moderates soil temperature.

In Austin's summers, bare soil can reach 140°F — enough to kill plant roots. Mulch keeps soil 20–30°F cooler. It's the cheapest, highest-impact investment in your landscape.

The biggest misconception about xeriscaping is that it requires no maintenance. It requires less maintenance — and different maintenance.

In the first year, regular watering helps natives establish deep root systems. After that, maintenance shifts to occasional pruning, annual mulch refreshing, and seasonal cleanup. You eliminate weekly mowing, monthly fertilizing, and constant irrigation troubleshooting. Most established native landscapes require 4–6 hours of annual maintenance vs. 4–6 hours per month for a conventional lawn.