Sunday, November 1, 2009

Urban Horticulture

From the University of Arizona Cooperative Extension - Maricopa County

Climate Information for November in Phoenix, Arizona
Rainfall:

Average: 0.7 inches
Record: 3.6 inches (1905)

Temperature (degrees F):

Average High: 74.9 degrees
Lowest High: 40 degrees (1919)
Record High: 96 degrees (1924)

Average Low: 48.9 degrees
Highest Low: 71 degrees (1988)
Record Low: 27 degrees (1931)

To Do List . . .
Turf

For a green winter lawn, overseed established Bermuda grass lawns from mid October through mid November.

After the first mowing, fertilize winter lawns with a high phosphate fertilizer like superphosphate, triple superphosphate, or a complete fertilizer that is 20% phosphorous or more by weight. Ammonium phosphate (16-20-0) is another option. Follow the application rates and directions on the label.

Vegetables

Plant Seeds

Beets, Bok Choy, Broccoli, Cabbage, Chinese Cabbage, Carrots, Cauliflower, Chard, Collard Greens, Endive, Kale, Kohlrabi, Lettuce (Head & Leaf), Mustard, Onions (Bulb & Green), Peas, Radishes, Rutabagas, Spinach, Turnips

Plant Transplants

Asparagus, Broccoli, Brussels Sprouts, Cabbage, Chinese Cabbage, Cauliflower, Chard, Kohlrabi, Lettuce (Head & Leaf)

Watch for insect and pest problems, identify and manage early to prevent damage.

Roses

End the years fertilization this month

Plant container roses from mail-order catalogs, old garden roses in particular.

Fruit and Nut Trees

Be prepared to protect citrus from early winter frosts

Landscape Plants

Cut off spent blooms to stimulate rebloom

Water applications should be greatly reduced for the winter

Plant winter hardy trees, shrubs and vines

Pre-emergent herbicides can be applied from October through early December for winter annual weed control. Follow the package directions carefully for best results. DO NOT use pre-emergent herbicides where you will be planting seeds this season.

Be prepared for early winter frost

Don't List . . .

Do not increase opportunities for fungal disease on turf by over watering or watering at night.

DO NOT OVER WATER which will result in root rots. Allow the soil to dry out between watering.

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