CBMGA August Gardening Reminders

Planting

• Complete installation of warm season turf grasses by late August to mid September to ensure they’re established
before the first fall freeze.
• Plant ground covers and tropical and warm season annuals.
• Plant fall flowering perennials such as asters, Mexican mint marigold, Mexican bush sage (salvia leucantha), rain lilies,
and garden chrysanthemums.
• Plant snap beans, lima beans, broccoli, Brussels sprouts, cabbage, collards, eggplant, kohlrabi, okra, onion, parsley,
Irish potatoes, squash, and watermelon for the fall.

Fertilizing and Pruning

• Prune out any dead or broken branches of woody ornamentals (trees and shrubs) but avoid major pruning until the
dormant season.
• Pinch off spent crape myrtle seeds to encourage new blooms and prune basal shoots to keep plant in tree form. This
is necessary all season long.
• Prune bush roses, and fertilize all roses according to soil test recommendation for fall blooming.
• Remove spent flowers of some perennials to encourage new blooms.
• Trim back leggy spring-planted annuals and fertilize if needed to encourage new growth and continued flowering.
• Stop pinching back chrysanthemums and Mexican mint marigold to ensure good bud development for fall blooms.

Garden Watch

• Watch for powdery mildew on cedar elms, crape myrtles and euonymus, and treat with fungicide, if necessary.
• Check pecan trees for aphids, shuck worms, webworms, and foliage diseases.
• Protect ornamental and peach trees from borers by applying a labeled borer preventive to the trunks in late August
according to label directions.
• Be on alert for chinch bugs in St. Augustine lawns which will appear near paved surfaces and other hot spots in the
yard.
• Watch susceptible ornamental plants for iron deficiency (yellowed leaves with darker green veins), aggravated by the
hot dry weather, and treat with chelated iron if needed. Drench plants and avoid contact with hard surfaces that will stain.
• Keep young vegetable plants adequately watered and shade new plants from hot mid-day and afternoon sun.

 

Asterisk (*) means transplant vegetable starter plants. For
seeds, start 2-3 weeks earlier
Crop Spring
Planting Date
Fall
Planting Date
Seed or Plants
Per 100 ft of Row
Inches
Between
Number of
Days Before
Average Yield
Per 100 Feet
Average Days of Harvest
Asparagus 2/1 to 3/1 Not Rec. 1 ounce 18 730 30 pounds 60
Cabbage* 2/1 to 3/1 8/1 to 9/15 1/4 ounce 14 to 24 60 to 90 150 pounds 40
Garlic 2/1 to 3/1 9/1 to 10/15 1 pound 2 to 4 140 to 150 40 pounds
Kohlrabi 2/1 to 3/1 8/15 to 9/15 1/4 ounce 4 to 6 55 to 75 75 pounds 14
Onion (plants) 2/1 to 3/1 Not Rec. 400 to 600 plants 2 to 3 80 to 120 100 pounds 40
Peas, English 2/1 to 3/1 8/15 to 9/15 1 pound 1 55 to 90 20 pounds 7
Spinach 2/1 to 3/1 9/1 to 10/15 1 ounce 3 to 4 40 to 60 3 bushels 40
Turnip 2/1 to 3/1 9/15 to 10/15 1/2 ounce 2 to 3 30 to 60 75 pounds 35
Beets 2/1 to 4/1 9/1 to 10/1 1 ounce 2 50 to 60 150 pounds 30
Radish 2/1 to 4/1 9/15 to 10/15 1 ounce 1 25 to 40 100 bunches 7
Carrots 2/10 to 3/1 8/1 to 10/1 1/2 ounce 2 70 to 80 100 pounds 21
Collard / Kale 2/10 to 3/1 8/1 to 10/1 1/4 ounce 8 to 16 50 to 80 100 pounds 60
Potatoes, Irish 2/15 to 3/1 8/1 to 9/1 6 to 10 pounds 10 to 15 75 to 100 100 pounds
Cabbage, Chinese * 2/15 to 3/10 8/1 to 9/15 1/4 ounce 8 to 12 65 to 70 80 pounds 21
Lettuce 2/15 to 3/15 9/1 to 10/1 1/4 ounce 2 to 3 40 to 80 50 pounds 21
Broccoli * 3/1 to 3/15 8/1 to 9/15 1/4 ounce 14 to 24 60 to 80 100 pounds 40
Cauliflower * 3/1 to 3/15 8/1 to 9/15 1/4 ounce 14 to 24 70 to 90 100 pounds 14
Muskmelon 3/15 to 5/1 7/15 to 8/1 1/2 ounce 24 to 36 85 to 100 100 fruit 30
Chard, Swiss 3/20 to 4/15 8/1 to 10/1 2 ounces 6 45 to 55 75 pounds 40
Squash, Summer 3/20 to 5/1 7/15 to 8/15 1 ounce 18 to 36 50 to 60 150 pounds 40
Cucumber 4/1 to 4/15 8/1 to 9/1 1/2 ounce 24 to 28 50 to 70 120 pounds 30
Eggplant * 4/1 to 4/15 7/15 to 8/1 1/8 ounce 18 to 24 80 to 90 100 pounds 90
Squash, Winter 4/1 to 4/15 7/1 to 8/1 1/2 ounce 24 to 48 85 to 100 100 pounds
Tomato (plants) 4/1 to 4/15 7/1 to 8/1 1/8 ounce 18 to 36 70 to 90 100 pounds 40
Beans, Bush 4/1 to 5/1 8/1 to 8/15 1/2 pound 3 to 4 45 to 60 120 pounds 14
Beans, Pole 4/1 to 5/1 8/1 to 8/15 1/2 pound 4 to 6 60 to 70 150 pounds 30
Beans, Lima 4/1 to 5/1 8/1 to 8/15 1/4 pound 3 to 4 80 50 pounds 40
Corn, Sweet 4/1 to 5/1 7/15 to 8/1 3 to 4 ounces 12 to 18 70 to 90 10 dozen ears 10
Mustard 4/1 to 5/1 7/10 to 9/1 1/4 ounce 6 to 12 30 to 40 100 pounds 30
Potatoes, Sweet 4/1 to 5/15 Not Rec. 75 to 100 plants 12 to 16 100 to 130 100 pounds
Watermelon 4/1 to 5/15 7/1 to 7/15 1/2 ounce 36 to 96 80 to 100 40 fruits 30
Pepper 4/10 to 5/1 7/1 to 8/1 1/8 ounce 18 to 24 60 to 90 60 pounds 90
Pumpkin 4/15 to 5/15 7/1 to 8/1 1/2 ounce 36 to 48 75 to 100 100 pounds
Peas, Southern 4/15 to 6/1 7/1 to 8/1 1/2 pound 4 to 6 60 to 70 40 pounds 30
Watermelon 4/15 to 6/1 7/1 to 7/15 1/2 ounce 36 to 96 75 to 100 40 fruits 30
Okra 4/15 to 7/1 Not Rec. 2 ounces 24 55 to 65 100 pounds 90
Brussel Sprouts Not Rec. 8/1 to 10/1 1/4 ounce 14 to 24 90 to 100 75 pounds 21
Parsley Not Rec. 8/10 to 10/1 1/4 ounce 2 to 4 70 to 90 30 pounds 90

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