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Xeriscape and the Sustainable Landscape - Texas Solar Energy Society
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Xeriscape and the Sustainable Landscape - Texas Solar Energy Society

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Xeriscape and the Sustainable Landscape - Texas Solar Energy Society

Xeriscape and the Sustainable Landscape - Texas Solar Energy Society

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  • 1. XeriscapePrinciples and the Sustainable Landscape Xeriscape is not a landscape style or garden design. Xeriscape is a concept of water conservation that may be applied to landscapes of any style 1
  • 2. 30 to 50 % of total water is used for landscape Studies have shown that as irrigation much as 70 percent of water from a municipalLet’s talk water supply water system can be attributed to residential useTexas Projected Growth Projected Water Supply Millions of Texans Millions of acre-feet 50 Conservation is the easiest and 20 cheapest way to make our water 40 15 use sustainable. 30 10 Texans use between 8 and 9 20 billion gallons of water per day. 10 5 The aquifers are recharged at a 0 rate of 4 to 5 billion gallons per 0 2000 2010 2020 2030 2040 2050 2060 2010 2020 2030 2040 2050 2060 day. 2
  • 3. PlanningPrinciples of Xeriscape Irrigation Irrigation isPlanning and design Maximize water necessary in xeric conservation with landscapesEfficient irrigation systems, properly good planning and Automatic, manual ordesigned and maintained design. hoses Divide landscapesUse of mulch Separate water zones into water use zones – oasis, Water efficientlySoil preparation with drip, bubblers, transition and lowAppropriate turf water use – micro-spray or “hydrozoning” soakers hoses.Water-efficient plant material Design rainwater Turf can be wateredAppropriate maintenance harvesting into with drip irrigation. plan – rain Apply water where it gardens, rain is needed. barrel use. Mulch Soil Preparation Appropriate use of Turf Major water user Provide soil cover to Important in Requires frequent reduce evaporation xeriscaping and care and erosion and gardening in Helps reduce moderate soil general erosion temperature Provides cooling and Add organic soil Helps limit weed amendments – reduces glare from growth sun compost Can substitute Bark, gravel, permeable weed Improves water groundcovers in low barriers retention, root activity areas – development and easier to irrigate. Use as a landscape Consider drought element water infiltration tolerant turf like buffalograss 3
  • 4. Some Favorite Natives andTurf water needs Low Water Use Plants adaptive plants • American Beautyberry • Gaura• A 4500 square ft. St. Augustine Use native or • Blackeyed Susan • Lantana • Black Fountain Grass • Maiden Grass lawn receiving one inch of adaptive plants • Boston Ivy • Mexican Mint Marigold water per cycle uses in all • • Mexican Buckeye Crossvine • • Mexican Oregano Pink Skullcap approximately 2812 gallons of hydrozones • Black Dalea • Purple Coneflower • Gregg’s Dalea • Purple Heart water. Many varieties • Daylily • Rock Rose • Dwarf Maiden Grass • Rosemary• A 4500 square ft. Bermuda lawn of color, • Dwarf Wax Myrtle • Sages • Elaeagnus • Mexican Bush Sage receiving one-half inch of water texture and size • Gayfeather (Liatris spp.) • Mealy Cup Sage per cycle uses approximately readily • • Gregg’s Salvia Dwarf Hameln Fountain Grass • • Sedum Standard Fountain Grass 1406 gallons of water. available in • Hardy Hibiscus • Thrift • Bearded Iris • Turkscap nurseries • Dutch Iris • Verbena A Sustainable Sustainable Practices Maintenance Landscape – Can be lower Build Healthy Soils maintenance with use Use Mulch of mulches – less weeds Irrigate Efficiently Preserves limited and costly Limit Fertilization Design will determine the required natural resources Turfgrass Recycling maintenance Reduces waste generation Prune Selectively Maintenance of Re-use On-site Organic Materials irrigation will critical Helps prevent air, water and More turf, more Recycle Organic Materials Off-Site soil pollution Practice Pollution Prevention maintenance Native/adaptive Retrofit Inefficient Landscapes plants and reduced insect problems 4

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