Regional Gardening Reports :: National Gardening Association

Southern California Coastal & Inland Valleys

April, 2005
Regional Report

Shows & Events

Huntington Botanic Garden Plant Sale
The grandaddy of all great plant sales will take place on Sunday, May 15, 10 a.m. to 4 p.m., at the Huntington Botanic Garden. You can choose from thousands of rare and unusual plants, including perennials, roses, camellias, succulents, tropicals, palms, herbs, trees, and shrubs. This year's sale will feature "Small Plants for Small Spaces." Admission is free. For info, call (626) 405-2100, or visit:

Clever Gardening Technique

How Deep Does Your Watering Go?
To test how deeply your irrigation water is soaking, water for the usual length of time and then push a trowel into the soil to its full length. Push the soil clump to one side, or lift it out completely, and look at both the depth of the roots and the water line in the soil. It will be dark toward the lawn surface and lighter where it's dry. The water line should be just past the longest roots. If it's not this far down, replace the clump, water again, and test another spot until the water line is below the roots. Adding all these irrigation times together gives you the correct amount of time for each watering. Don't water again until two-thirds of the root length is again dry. This may mean that you can double the time between waterings, and the grass roots will not suffer during the really hot portion of the summer.


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