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Garden tips and events

Overwatering grapes a no-no

Overwatering is certain disaster for grapes. Iron chlorosis turns the leaf blades yellow, while the veins remain green. Chlorosis is aggravated by over-watering and heavy clay soils. Allow the soil to dry between watering, and plant vines on well-drained soil.

Grapes have few insect or disease problems in our area. Powdery mildew is a gray powder that turns the leaves brown and makes the fruit drop off. Fungicides are the only effective way to control this disease.

Grape leafhoppers, grasshoppers and mites are occasionally problems on grapes, but no preventive sprays are recommended.

For more information on pruning grapes, log onto my Web site at www.larrysagers.com