Pets, Places, & Things, Urban Garden

Keeping It Cool in the Garden

By Garden Helpers

Let’s keep those flowers and foliage looking good during the “Dog Days”! Here are a few August gardening tasks and projects that you can do to help keep your garden looking it’s best for the rest of this season.


Watering can be the biggest task this month particularity if the weather gets hot. Vegetable gardens, most flowering plants, and the lawn all need about one inch of water every week to keep them green and looking nice. Be sure to water thoroughly, and deeply each time you water. When possible, do your watering in the morning or early afternoon so the soil has a chance to warm up before the cooler evening hours set in. Deep watering will induce the plant’s roots to grow deeper, where they are less likely to dry out, as well as the added benefit of anchoring the plant into the ground better. Light, surface watering actually wastes water, because the water never actually reaches the root zone of the plant, and the moisture rapidly evaporates from the top inch of soil. The best way to tell if your plants are receiving enough water is to take a trowel or shovel and dig down a few inches. The soil should be moist at least 3 or 4 inches deep to insure that the water is reaching the root zone of the plants. Of course, if you planted drought resistant plants in your garden, you won’t have to water as often, but the principal of deep watering still applies.

Be sure to check the hanging baskets and container grown plants every day during hot weather and about every second day on moderate summer days. Don’t just check the surface… Push your finger an inch or two into the soil to be sure there is adequate moisture below throughout the root area. Water them thoroughly each time you water, but be careful not to overwater them.

Perennials, Annuals, and Bulbs

Take out a few minutes to pick off the old dead flowers on your annuals, as well as the spent flowers on perennial plants. A little time spent on grooming the plants will make a big difference in the overall appearance of the garden. By removing the spent flowers, the plants will not go into the seed producing stage and should continue to flower longer into the season.

Perennial and biennial plants can be started from seed sown directly into the garden this month or next.

Container grown perennials, shrubs and trees can be planted this month. Always take time to properly prepare the soil by mixing generous quantities of peat moss, compost and processed manure with your existing soil.

Fall blooming Crocus should be planted this month, to give you an extra week or two of flowers after the main garden plants have finished for the year.

Spring flowering perennials can be divided and transplanted this month or next. Be sure to do this during the coolest part of the day and water the plants thoroughly after transplanting.

Prune your hybrid roses in late August to promote the most fall blossoms. Remove about a third of the vigorous growth. Any stems that cross each other should be removed, as well as those that are in the center of the plant. Weak, spindly canes and any damaged by black spot fungus should be removed. Except in colder regions, roses should be fertilized through the end of September. Maintain a spraying schedule to control insects and disease.

Shrubs and trees

Summer blooming shrubs should be pruned for shape after they have finished flowering. Remove any dead or diseased branches.


Contrary to popular belief, a brown lawn isn’t necessarily a dead lawn. Grasses go dormant in times of drought, but will quickly return to life with the fall rains. If a lush green lawn is important to you, and you don’t mind mowing, water it regularly, and deeply. If a water shortage is expected, or you hate tending to grass, you may choose to just let your lawn go dormant, and water it as seldom as once a month.

Raise the cutting height of the mower. Taller grass cools the roots and helps to keep the moisture in the soil longer.

Odds and ends

Keep the weeds pulled, before they have a chance to flower and go to seed again. Otherwise, you will be fighting newly germinated weed seed for the next several years. Weeds in the garden are harmful because they rob your plants of water and nutrients, harbor insects and diseases, and, on occasion grow tall enough to shade your flowers and plants.

Change the water in your bird bath regularly, and keep it filled. Standing water is less healthy for the birds, and may become a breeding ground for mosquito larvae. Continue to watch for insect, slug and snail, or disease damage throughout the garden, and take the necessary steps to control the problem.

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