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  • Upcoming Garden Events

    Sept. 30: The Nashville Herb Society presents Through the Garden Gate: A Glimpse of Edwardian England, 8 a.m. – 3 p.m. at Cheekwood Botanic Hall. Celebrate the gardens, foods and flowers that delighted Downton Abby family and friends at the turn of the 20th century. The event begins with a hearty Edwardian breakfast, followed by three speakers: Marta McDowell on Beatrix Potter’s Gardening Life; Geraldine A. Laufer on Tussie Mussie – Victorian art of expressing yourself in the language of flowers; and Terry White, The English Garden event florist . Registration includes breakfast, box lunch in the garden with music, English tea and cookies. To learn more or to register, visit www.herbsocietynashvlle.org.

    Tips & tasks – August

    Water lawns and garden beds early in the morning to allow foliage plenty of time to dry before nightfall.

    Container gardens will benefit from a light application of all-purpose fertilizer.

    If petunias have grown long and shaggy, cut them back and give them a dose of fertilizer. They should bloom again quickly.

    If squirrels and birds go after your ripe tomatoes, pick them while they are still green and allow them to turn red indoors. For best quality, don’t store fresh tomatoes in the refrigerator.

    Make sure spring-planted trees and shrubs get plenty of water during hot weather.

    Keep cutting the spent flowers of annuals so they will continue to bloom into the fall.

    To conserve soil moisture during hot weather, replenish mulch in annual and perennial beds as necessary.

    Begin planning a fall garden. Spinach, lettuces, radishes and other fall crops will mature when the weather turns cool.

    Begin clean-up of summer vegetable beds. Remove any decayed or dying foliage to prevent diseases from taking hold.

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Cut flowers to bring summer indoors

With summer in full bloom, those daisies and black-eyed Susans, zinnias and sunflowers, coneflowers, dahlias and others make beautiful bouquets to enjoy indoors. To make those bouquets last longer, it’s best to start early.

“I definitely always cut before the heat of the day sets in,” says Tallahassee May, owner of Turnbull Creek Organic Farm in Bon Aqua, Tenn. “This is better than in the evening, when the flowers still seem to hold heat from the day, even after the sun has set.”

The secret to long-lasting bouquets from the garden, May says, is to keep things clean. Continue reading

Green flowers may be caused by aster yellows

I had purple coneflowers this summer that never turned purple. Many of the flowers were green. What causes this?

coneflower

Coneflowers are one of the many species that may be affected by a disease called aster yellows.

There is a disease called aster yellows that may be affect coneflowers and many other species. Several years ago, I learned from Extension agent Bob Ary that the condition, which is an infection of a phytoplasma spread by leafhoppers, can cause a variety of symptoms: green flowers,  stunting, yellowing, abnormal shoots, tiny leaves that emerge from the seed heads.

In most cases, a plant infected with aster yellows will eventually die, but even if the plant lives, there is the chance that the condition could spread to other plants by any insect that feeds on the plant.

Aster yellows can’t be cured, and it’s not practical to try to control leafhoppers, Ary said. Garden experts say that the disease is sporadic enough that it may only affect a few plants in a bed. When you remove the plant, it’s also a good idea to remove nearby weeds that may be secondary sources of the disease.

Garden events in Middle Tennessee

Sept. 7 – Beekeeping 101, backyard beekeeping basics, 10 a.m. – noon at WarnerParkNatureCenter. This adult-level class is led by Vera Vollbrecht, Melissa Donahue, and Dganit Eldar. Call to register, 352-6299.

Sept. 17 – Perennial Plant Society meets at Cheekwood in Botanic Hall, speaker is landscape designer Marty DeHart on “Problem Area Perennials.” Refreshments at 6:30, meeting at 7, open to the public.

Sept. 21 – Oct. 31: Cheekwood Harvest Fall Festival includes scarecrows along the garden paths, a pumpkin patch, guided garden tours and nearly 5,000 autumn-hued chrysanthemums in the Robertson Ellis Color Garden, planted specifically for Cheekwood Harvest. The full schedule is at www.cheekwood.org

Sept. 21 and 22: The Tennessee Gesneriad Society annual show and sale at Cheekwood in Botanic Hall. There will be many rare and unusual plants on display as well as for sale.  Hours on Saturday September 21 are 9:30a.m.-4:30p.m., and on Sunday September 22 are 11:00a.m.-4:30 p.m. For more info, call Julie at 615-364-8459.

Sept. 26:  Middle Tennessee Hosta Society meets at Cheekwood in the Potter Room; speaker is David Bates of Bates Nursery on shrubs that tolerate shade for use in hosta gardens. The meeting is at 6:30 and is open to the public.

Sept. 28: Welcoming Fall Wildflower Hike at ShelbyBottomsNatureCenter. A short naturalist-led hike for all ages, 10 – 11 a.m. Call (862-8539) or email (shelbybottomsnature@nashville.gov) to register.

At WarnerParkNatureCenter, Deb Beazley leads adults on a stroll through a meadow to enjoy the fall wildflowers, 9 – 11 a.m. Call 352-6299 to register.