The Design Site

Pre-swales site

Here is a rundown of the site’s basic information as it stands now:

 Size: 1.25 Acres

Latitude/Longitude: 34.1269° N, 116.3186° W

Altitude: 2,700 ft. (822.9 meters) above sea level

Slope/Aspect: Very Gentle Slope, S, SE,  (and small area of SW)

Continental Effect: 115 miles from the west coast of California

Climate: Arid desert

Plant Hardiness Zone: 9a

Koppen Classification: BWh

Soil: Coarse decomposed granite sand with very little organic matter and very little clay.

pH: 6 (I feel mistrusting of this reading and am planning to get a better pH test kit to be sure).

Avg. days above 90F(32c): 150

Avg. days Below 32F(0c): 28

First/ Last Frost: 11/3, 4/4

Wind: Hard winds from S, and SW in spring and fall. Cold winds from N in winter. Light breezes from E and SE in summer

Rainfall: Very rare! 4.6 inches (116.8 mm) per year average. The wettest months of the year are in mid-winter and mid-summer (monsoon thunderstorms).

Structures: There are three existing structures:

-House ( 858 square foot wood/drywall)

-Office (120 square foot, wood/drywall)

-Shed/Carport (wood, at west end of property)

Significant Trees and Shrubs: 1 mature Honey Mesquite, 2 mature Palos Verdes, 1 mature fruitless mulberry shade tree, 1 40 year old female pistachio tree, 2 young male Pistachios, 1 young female Pistachio tree, 2 young apricot trees, 1 Asian pear tree, 3 Jujube trees, 1 young (possibly fruitless?) olive tree and several Pomegranite shrubs.

Natives: 3 mature Joshua Trees, 5 large mature Yucca Plants, numerous Creosote Bushes, Mormon Tea shrubs, White Bur-sage, Button Brittle Bush, Beavertail Cacti, Pencil Cacti and Silver Cholla plants.


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