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Sprayers, rocks in pots on 'Gardening' July 2

University of Georgia

Host Walter Reeves looks at sprayers, trees and rocks in pots on "Gardening in Georgia" July 2 on Georgia Public Broadcasting.

"Gardening in Georgia" is produced by GPB and the University of Georgia College of Agricultural and Environmental Sciences. It airs each Saturday at 12:30 and 7 p.m.

On this week's show, Reeves shows what to do when your sprayer gets clogged. It's simple to unclog the nozzle so it will spray what you want where you want it. He shows how to best clean residue from the sprayer, too.

Reeves uses a fallen tree to prove the error of the deep-roots myth about trees. Then he reveals how "included bark" eventually caused the failure of a 100-year-old oak.

After Reeves points out the damage they do, you'll never want to put rocks in the bottom of flower pots. A better way to promote drainage, he shows, is to support the pot on rocks placed in a saucer underneath.

Finally, Reeves shows how to change the color of hydrangeas from blue to pink or pink to blue. It's all a matter of manipulating the soil to change the pH.

(Dan Rahn is a news editor with the University of Georgia College of Agricultural and Environmental Sciences.)

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