Southern Arizona August gardening calendar  
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THINGS TO EXPECT:
WEATHER WILL REMAIN HOT, but stress on plants will be relieved somewhat by increased humidity of the monsoon season.
FUNGUS PROBLEMS will continue as long as warm, humid conditions prevail. Lawn and Root Diseases, plus Toadstools and Slime Fungus will be prevalent during this season.
PECAN NUT DROP will be noticeable, however most will be damaged or empty.
ROOT ROT can be expected, especially in over-wet soils. Water deeply but not too often.
PALM FLOWER CATERPILLARS (Palm Budworms) are feeding on the blossoms of some fan palms. Infestations of these cream-colored larva, which may exceed an inch in length, may not be evident until maturing worms drop to the ground and become a nuisance – even invading homes. Feeding damage to palms is a little consequence
CHLOROTIC SPOTS IN LAWNS, suspect fungus diseases or hard, caliche soils.
ANT & TERMITE SWARMING is stimulated by summer storms.
ORANGE & TANGERINE FRUIT SPLIT occasionally occurs with rapid growth expansion if rinds are sunburned or desiccated by hot, dry weather.
LAWN INSECTS become more active during this season.
FUNGUS DISEASES OF ST. AUGUSTINE GRASS is most infectious during this warm humid season.

Time to plant seeds for:
Snap Beans, Bok Choy, Broccoli, Brussel Sprouts, Cabbage, Chinese Cabbage, Carrots,
Cauliflower, Collard Greens, Corn, Cucumbers, Kale, Kohlrabi, Lettuce (Head & Leaf) Leeks,
Mustard, Green Onions, Summer Squash.
THINGS TO DO:
RELIEVE SUMMER HEAT STRESS of plants by watering the total area under the branch spread of trees and shrubs . Water deeply, but not too often.
EARLY MORNING WATERING IS PREFERRED to prevent leaf burn, keep down fungus infection, and minimize evaporation loss, and for better sprinkler efficiency.
FALLOW SOIL for Nematode Control. Spade up infested vegetable and flower beds and allow the soil to get hot and dry for a few weeks before fall planting.
READY FALL VEGETABLE GARDENS. Sweet corn, melons, squash and tomatoes ought to be planted about the second week of August.
NEW BERMUDA GRASS LAWNS OUGHT TO BE PLANTED no later than mid-August to sufficiently establish before fall.
THIN AND BAG DATE FRUIT BUNCHES NOW for good quality fruit.
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