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Extension: Wise watering practices for summer landscape health

Calibrate irrigation output

To determine how a lot water your irrigation system of alternative is supplying per hour, put a clear tuna can underneath the soaker hose or close to the sting of the sprinkler attain. Turn on the water and let it run for half-hour. 

Turn off the water and measure the water collected within the tuna can and multiply by 2. If the can collects ½ inch of water in half an hour, then the system places out one inch of water per hour.

Water by landscape zone

Landscape crops have totally different water wants. Ideally, crops with related water wants are grouped collectively within the landscape, permitting us to plan irrigation by hydrozones – excessive, medium, and low water want zones. 

Low water zone (Xeric Zone)

In many landscapes, the zone with the bottom water wants, additionally known as the xeric zone, is dominated by well-established bushes and shrubs. 

These crops have deep, in depth root techniques that may scavenge moisture from massive areas of soil. They normally want supplemental irrigation solely throughout excessive drought, warmth, or lengthy intervals with out rainfall, such because the three consecutive, completely dry weeks we had final month. 

Following water-wise ideas, the xeric zone ought to comprise 60 p.c of the landscape. As this space isn’t disturbed, it saves on labor, too.

Medium water zone 

(Transition Zone)

A transition zone of reasonable water-use crops helps segue between the excessive and low water wants zones. 

Plants with reasonable water wants embody flowering native bushes and shrubs, like redbuds and azaleas, in addition to drought-tolerant herbaceous perennials, like day lilies and coreopsis. 

Watch these crops for indicators of drought or warmth stress, together with wilting and leaves exhibiting a yellow or grey colour change, and hand water within the root zone of affected crops.

High water zone (Oasis Zone)

Annual bedding crops, vegetable gardens, and newly planted bushes and shrubs have excessive water wants. For a water-efficient landscape, restrict areas internet hosting these crops to a small portion of the landscape. For instance, put flowering annuals in beds close to the entrance door to make a welcome assertion. 

Water annuals when the leaves start to wilt. Apply one inch of water evenly across the root zone of newly-planted bushes and shrubs every week. 

More water-wise concepts

Join UGA Educator Shannon Kennedy at Post Road Library on July 13 to learn the way Rain Gardens assist handle stormwater, preserve water, and beautify landscapes.

UGA Extension strives to translate the science of life for use in on a regular basis residing. Forsyth County Extension is supported by the University of Georgia, Forsyth County Board of Commissioners, Forsyth County Board of Education, and United Way of Forsyth County.

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