Water-Saving
Landscaping
Low-maintenance solutions for intermountain
regions
2
April 18, 2010
Challenges
Hot temperatures
Cold temperatures
Shorter growing season
Drying winds
Deluge/drought
Poor soil
Water-Saving Landscaping
3
April 18, 2010
Solutions
Windbreaks
Xeriscaping
Soil amendment
Native plants
Water-Saving Landscaping
4
April 18, 2010
Windbreaks
Structures
Fences
Walls
Water-Saving Landscaping
5
April 18, 2010
Windbreaks
Plants
Tree lines
Hedges
Water-Saving Landscaping
6
Water Cycle
April 18, 2010
Clouds
Clouds
Evaporation
Evaporation
Condensation
Condensation
and
and
and
and
Transpiration
Transpiration
Precipitation
Precipitation
Runof
Runof
and
and
Percolation
Percolation
Water-Saving Landscaping
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April 18, 2010
Water Consumption
200
175
150
125
100
75
50
25
0
Average
Conservative
Water-Saving Landscaping
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April 18, 2010
Xeriscaping
Planting strategies that conserve water
Water-Saving Landscaping
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April 18, 2010
Xeriscaping
No additional watering
Water-Saving Landscaping
10
April 18, 2010
Xeriscaping
Drip irrigation
Water-Saving Landscaping
11
April 18, 2010
Soil Amendment
Eastern Washington loses more than
10 tons of soil per acre per year
to rainfall runof
Source: Atlas of U.S. Environmental Issues, Mason & Mason, 1990
Water-Saving Landscaping
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April 18, 2010
Native Plants
Tolerate temperature range
Tolerate drought
Prevent erosion
Support natural ecosystem
Attract pollinators
Need little or no maintenance
Sustainable
Water-Saving Landscaping
13
April 18, 2010
Temperature by Season
Seasonal Temperatures
Winter
Spring
Summer
Fall
Minimum
18
41
73
43
Average
29
57
89
54
Maximum
40
72
105
65
To convert to Celsius: x 5
Water-Saving Landscaping
14
April 18, 2010
Temperature by Month
Hot peri ods can l ast several days
120
100
80
60
40
20
0
Minimum
Average
Maximum
Water-Saving Landscaping
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April 18, 2010
Native Plants
Photos courtesy of Rugged Country Plants
Water-Saving Landscaping