August Gardening Calendar

African Daisy

July and August forecast is predicting above average temperatures for most of the United States. For the past two weeks there have been heat advisory warnings daily and to use precautions while working outdoors. The best times to garden in an area that has heat advisories is early morning or late afternoon. When we garden during these heat advisories it is recommended to protect yourself from heat dangers by:

·         Stay out of the sun, if possible.

·         Drink plenty of cool water whether you are thirsty or not.

·         Wear loose, light-colored clothing, and sun screen. Try wearing clothes that use the Dri-Fit technology.

·         Try to schedule outdoor activities early mornings or late afternoons.

·         While working outdoors pace yourself and take a break when tired.

Prune Tropical Hibiscus you plan to bring indoors for the winter. Plan to place your plant in the sunniest window during the winter months. Trim back enough to fit your location indoors and bring your Hibiscus inside around December or before first frost. After pruning check your Hibiscus for insects and spray with appropriate insecticide. Now is a good time to fertilize your Hibiscus. Hibiscuses are heavy feeders and should be fertilized monthly.

Remove faded blooms and seedpods on your Crepe Myrtles. You may be rewarded with more blooms before first frost. The recommended fertilizer formulation for Crepe Myrtles is 10-15-9 or a similar combination. Don’t forget to fertilize your Crepe Myrtles.

Roses prune out dead canes, and weak, bushy growth. Cut back tall, vigorous bushes by 1/3 the original plant height. Fertilize roses on a monthly basis until October. After pruning you should see new blooms coming in about 6 weeks.

Azaleas Lace bugs on your Azaleas increase rapidly in summer. Check your Azaleas for insects. The damaged caused by these sucking insects looks like tiny white dots and the entire leaf is almost completely white. Spray with appropriate insecticide labeled for Azalea Lace Bugs.

Perennials Can be divided in August and transplanted else where in the garden. Perennials such as: summer phlox, peony, iris, and daylily. Perennials that have finished blooming for their season can be divided also.

Lawns check your grass for insects, especially for chinch bugs and white grubs. These insects are most active in the summer months. The signs for chinch bugs are irregular circles, and the grass is thin, and then dies. For white grubs, the signs are irregular circles, and the grass is loosely rooted. Check the soil underneath the loosely rooted grass by digging up the soil, the grubs should be about an inch down in the soil, if you have them. Apply the appropriate insecticide and follow the package directions carefully. Lawn Mower Blades should be sharpened once each summer. A sharpened lawn mower blade prevents shredding the grass, and giving your lawn a nice, clean cut.

Mulch check all shrub beds and trees for mulch thickness. We are experiencing extreme heat this summer and shrubs and trees that have 2 to 3 inches of mulch keeps the roots cool and helps the soil retain moisture. In winter 2-3 inches of mulch will keep the soil warm through the winter season.

Fruits and Vegetables Start planning your fall vegetable garden this August. Till the soil and add Gypsum and Composted Cottonseed hull. The additives lower the alkalinity and helps the soil stay loose. Tomatoes, Peppers, and Beans should be planted by August 1^st. Starter plants usually are available by August 15^th. Pick the varieties of tomatoes that mature in 65-70 days. Cool season vegetables, broccoli, carrots, lettuce, cabbage, cauliflower, swiss chard, collards, spinach, kale, and snow peas are planted in September. Blackberry and Raspberry plants at this time of year have a tendency to trail along the ground. Take the trailing canes or runners and tie them back to their arbor. For more information on planting fall vegetables click to read my blog post Here. Seeds for cool season vegetables can be started now for planting in September.

Seeds sow cool season seeds of snapdragons, dianthus, pansies, calendulas, and sweet alyssum to be planted in mid to late fall. Sow seeds of bluebonnets and other spring wildflowers this month to be planted in the garden. The wildflowers will establish a root system during the fall for spring blooms.

Tropical Foliage Plants Check plants that are spending the summer outdoors for insects. Use an insecticidal soap, if needed. Your houseplants can be fertilized biweekly with a water-soluble plant food. Hibiscus and More has a wonderful selection of gardening books. Click to order.

August is a good time to start thinking about fall bulbs. Mail-order houses usually have early bird specials for consumers who order early.

Hibiscus and More now features Fine Art Prints and Merchandise. Click to order.

Cheryl now features her botanical photography on two stock websites. Need the Image as Stock? Click Here.  Shutterstock.

Need the Image as Stock? Click Here.  Adobe.

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Have a wonderful summer. Stay hydrated, keep cool, and go to the shade when starting to feel weak. Happy Gardening.

©Cheryl Ann Meola - Certified Texas Nursery Professional #1282