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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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Summer is hard on the lawn

QUESTION: Our lawn has looked great all summer – until now! The grass is turning brown in patches, even though I water it regularly. What’s wrong?

Grass brown patchFor lawn-lovers, the middle of summer often brings disappointment to those who carefully cultivate that carpet of green. I’ve written about the problem here before, but here at mid-summer, it bears repeating.

In Middle Tennessee (Zone 7A, where The Garden Bench calls home), fescue seems to be the preferred type of lawn. It’s a cool-season grass, and it has a tendency to go dormant and turn brown when the weather is hot and dry. It often perks up again when the weather gets cooler.

But lawns can also suffer from brown patch, a fungal disease that can affect fescue lawns. It starts with small brown patches, or a ring of brown grass that gets larger over time. The plant may be green at soil level, but individual blades of grass will be brown.

Before you resort to a fungicide, it’s a good idea to know exactly what the problem might be. I’m not a lawn expert, so when I wrote about this before, I pointed to the popular garden guru and author Walter Reeves’s web site, which provides quite a bit of information about lawn fungus, blights and molds. Here it is again.

In general, lawns do well with about an inch of water a week. They don’t need to be watered every day, but water deeply about once a week if it doesn’t rain. It’s also a good idea to cut the grass higher; when grass is cut too short, it leaves the lawn vulnerable to more weeds and diseases.

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