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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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Too early for tender hostas

Because it has been so warm already, my hostas have been coming up much too early, and I’m afraid they’ll be damaged or killed if we have another freeze. Some are in pots and some are in the ground. What’s the best way to protect them?

hosta shoots

Hosta shoots are difficult to see when they emerge, but they should be protected from a freeze.

You are correct that hostas making an appearance too soon would be damaged by frost or a freeze, so it pays to watch the forecast and take action when the temperature drops. Cornelia Holland, a hosta collector in Franklin, Tenn., grows hundreds of hostas and other shade-loving perennials in a half-acre garden she calls “Tranquility.” She passed along these tips for keeping hostas healthy when they emerge too soon. Continue reading

Plant perennials now, enjoy them later

I’m still seeing perennials for sale at garden centers. Some of them are being sold at reduced prices. Can they really be planted this time of year?

Daylilies are among the perennials that can be planted now.

Daylilies are among the perennials that can be planted now.

Spring is the typical planting time, but for gardeners who are willing to be patient or take a chance on a plant that may look like it’s past its prime, early fall is a good time to plant. Many of the plants on sale still have plenty of life, even though they don’t look their best right now.

But if you make careful choices and plant now, they will begin to establish good root systems and should spring back beautifully in the garden next year.

While perennials you find now may not be at the peak of perfection, you should still look for healthy plants with no sign of disease. Here are guidelines from the website of Clemson University’s Cooperative Extension and other sources:

  • Look for plants with good color and vigorous appearance. Avoid plants that show any sign of disease.
  • Ease the plant out of the pot and look at the roots look healthy, and not mushy or limp. Avoid anything with roots that have a bad odor.
  • Buy labeled plants (unless you want to be surprised!) and label it in the garden so that you can remember where and what you planted next spring.
  • In the garden, prepare the soil and amend it as needed with compost. Dig a hole a few inches wider that the plant’s pot, remove the plant from the pot and gently loosen the roots, then set the plant in the ground with the base of the plant level with the surrounding soil. Fill the hole with soil, water thoroughly, and add mulch.
  • Don’t set them out and forget them. October can be a dry month, so remember to provide water on a regular basis.

Slugs feel at home in the hostas

QUESTION: I have hostas in my yard that were beautiful all summer, but they are now riddled with holes. What could have happened to them?

The broad leaves of hostas lure slugs to the shade, where they also find a tasty meal.

When you find holes in your hostas, the problem most likely is snails and slugs say the experts at U.T. Extension. Hostas are shade plants, and slugs and snails are right at home in a shady, moist environment. The large, wide leaves create a shady spot, so they stay in that cozy spot all day and come out at night, climbing up on the leaves to dine.

If you want to see how active they are, try this: place a small board, about six inches wide, beside the hostas where you’ve noticed damage. In the morning, turn the board over and see how many have collected on the underside (and dispose of them as you wish). A gardening friend told me recently that she had set out an old tuna can filled with beer beside the hostas in her garden. The next morning, the can was full of slugs, and she dumped the whole thing into the trash.

The American Hosta Society suggests several solutions for protecting plants from slug dining damage, one of which is to provide something else to eat that might be just as tasty, such as lettuce. A different strategy focuses on placing a barrier around vulnerable plants. Strips of copper on the ground can be effective because slugs don’t like to cross it. Maybe that’s a way to use all those pennies that collect around the house. Table salt sprinkled around the plants also may keep them away, but you probably don’t want to add all that salt to the soil. My friend who lured slugs into a tuna can also said she has tried sprinkling diatomaceous earth around the hostas as a barrier they won’t cross.

The American Hosta Society mentions a couple of poison baits, but also suggests that a 10% solution of vinegar, sprayed on the slugs, stops them in their tracks – but you have to be out there with the spray when they are out, which is usually at night. And finally, a trap: place two boards together with a small stick between them, where the slugs can crawl in and hide in the cool shade. Then, when the slugs are between the boards, remove the stick and stomp. Ewww.