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Exploring the beautiful nature of California
California Nature: Xeriscaping
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Xeriscaping is a conceptual form of
gardening that uses drought-tolerant plants and grasses to
beautify a home or business. The term Xeriscape was coined by
the Front Range Xeriscape Task Force of Denver Department in
1978 as a way to promote water efficient landscaping. The name
Xeriscape is a registered trademark of Denver Water. The root
word Xeros is from the Greek language and means dry. Xeros was
combined with the term landscape, which means to modify land.
Xeriscape gardening is varied and beautiful no matter the
location. It does not mean gardening with only cacti, succulents
and rock. It means to landscape a garden with plants that use
lesser amounts of water to help people lower their water bill
and reduce maintenance. If it were better understood,
xeriscaping and drought tolerant design would be practiced more
often than it already is.
Xeriscape based design can be very beautiful and generally
requires less water, fertilizer, maintenance, and pest control
than traditional landscaping. And, of course, using less of
these will save you time and money. The principles of
xeriscaping address the areas of slope, plants, plant groups,
watering methods, and soil. And because xeric design is based on
principles, shape and other design aspects can be based on and
used for any design style.
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A California friendly yard doesn’t merely offer a beautiful
landscape, it also becomes an asset to the environment,
protecting natural resources and preserving California’s unique
beauty. Recognizing that the home landscape is part of a larger
natural system will help in creating a California-friendly yard.
California friendly landscaping can be considered an expansion
of Xeriscape. A California-friendly yard goes beyond Xeriscape,
to better fit our unique geography. It includes best management
practices concerning stormwater runoff and living on a
waterfront. A properly maintained California-friendly yard can
help homeowners conserve water and reduce pollution of water
resources.
California friendly landscaping encourages the use of native
plants in landscaping. These plants are uniquely adapted to grow
in California. Natives generally require little watering once
established, and are naturally pest resistant, which means less
use of expensive and toxic chemicals. So by using native plants
we conserve water and reduce pollution while maintaining a
healthy landscape.
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Creating a California-friendly landscape is
simple - but first you need to get to know your yard. Step back,
look around and take inventory of your landscape. Now is the
time to learn about your soil, drainage patterns, and the sunny
and shady areas on your property. Knowing these facts will make
it easier to determine which plants will work best in your
landscape. When you evaluate your site, remember that
characteristics may differ depending on the location, time of
day and season
The pH (acidity/alkalinity) of a property's soils will also
determine what plants are best suited for your yard. This isn't
complicated, but it is important to understand. In general,
sandy coastal areas are usually alkaline (high pH). Varying
levels of pH on the same property are also very common. Over
time, features such as concrete slab foundations, brick, mortar,
plaster and other materials can affect soil pH, because they
leach alkaline compounds into the surrounding soils. You can
test your soil with a purchased kit or have it tested at the
County Extension office.
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Drainage is another key factor to getting the most out of your
hard work and giving your xeriscape the best chance to thrive.
As we discussed earlier, California soil is generally sandy, so
it drains quickly. However, some building sites have been filled
with mucky soils that retain water and drain slowly. What
happens in your yard after a hard rain? Understanding the way
water drains from your yard will help you determine the right
plant for the right place.
Note that the low-lying areas on your property collect water
naturally. If you choose not to build up low spots that have
slow drainage, you can use those areas to your advantage by
planting water-loving wetland plants or cypress trees there. Of
course, these plantings should not interfere with swales.
Swales, berms and retention areas play a key role in collecting,
directing, and filtering storm water runoff. These features work
together to protect property and neighborhoods from flooding.
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The patterns of sun and shade in your yard
affect where plants will grow best. Shading by trees can also
play a big part in shrinking your energy bill. A
California-friendly yard conserves resources using common sense!
For further information on California, you may want to purchase
a book from our California Nature
Library.
Helpful Tips-
Use trees to shade the east and west sides
of buildings and A/C units. Appropriate tree and shrub placement
can greatly improve your home or building's heating/cooling
capacity. Outdoor compressors and air conditioning systems use
less energy when they are shaded from direct sunlight. It is
estimated that tree shade can reduce air conditioning costs by
50 percent!
Deciduous shade trees planted on the south
side of the house will shade in summer and let warming light in
during the winter.
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