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  • May garden tips & tasks

    GARDEN EVENTS IN MIDDLE TENNESSEE

    May 20: Master Gardeners of Davidson County Urban Gardening Festival, 9 a.m. - 4 p.m., Ellington Agricultural Center Demonstration Garden. Free admission. www.mgofdc.org; on Facebook at www.facebook.com/mgofdc.

    June 10: Middle Tennessee Daylily Society show and sale, Ellington Agricultural Center’s Ed Jones Auditorium, 440 Hogan Rd. in Nashville. Sale open at 10 a.m.; show opens to the public at 1 p.m. To learn more about the Middle Tennessee Daylily Society, visit www.middletndaylilysociety.org.

    It’s time to plant those tender herbs and vegetable transplants, such as basil, dill, tomatoes, green peppers, hot peppers, eggplant.

    If tomato transplants are already too tall and leggy, you can plant them on their sides and cover the long stems with soil. The stem tips will turn upward, and the buried stems will sprout roots.

    Sow seeds of bush beans and pole beans, cucumbers, sweet corn, melons, okra, field peas, pumpkin, squash and zucchini. Follow the directions on the seed package for planting depth and spacing. Vegetables grow best in full sun.

    Cut the faded blossoms of peonies. Fertilize the plants lightly in late spring or early summer.

    Remember the basics of watering: morning is best, so plants’ leaves have time to dry before evening. Lawns, perennial borders and annuals like to have 1 – 1½ inches of water per week.

    Many indoor plants enjoy a summer vacation outdoors. Give them a cool, shady spot in the yard, and don’t forget to water them.

    Prune thyme frequently so it will stay full and green in the center.

    Weeding is easiest after a rain. If the ground is too dry and you need to weed, soak the bed first with a hose or sprinkler.

    Whether they’re growing in the ground or in pots on the porch, pinch the tips of geraniums from time to time to encourage them to branch out and to produce more flowers. Geraniums in pots benefit from regular feeding with a water-soluble fertilizer.

    Remember that mulch can be a gardener’s best friend. Pine straw or composted leaves are good alternatives to hardwood mulch.

    Harvest herbs as they reach their peak. Dry small leaves on a screen, hang small bunches of long-stemmed herbs in a warm, dry room out of the sunlight.

    Plants growing outdoors in containers dry out quickly when it’s hot. Check them daily, and water as needed.

    Don’t go near hydrangeas with the pruning shears unless all you’re cutting is dead branches. If the bigleaf hydrangeas look like they’re not going to bloom, it could be that the buds were nipped in a late cold snap, or the plant was pruned too late last year.

    As the flowers of Shasta daisies begin to open and then to fade, keep them clipped off. This prolongs the blooming season of daisies (and most other annuals and perennials), and keeps the plants looking better, as well.

    Watch for aphids on shrubs and perennials. A strong blast of water from a hose will remove many of them, or spray with insecticidal soap.

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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.

 

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