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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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Prune roses for better blooms

We have a rose bush that is out of control and really needs pruning. Can it be done now? Or is it better to wait until next spring?

Yellow rose

Rose experts say that roses can be pruned anytime they are actively growing. Start by trimming out the older wood first, along with any dead or dying canes. You may also want to remove canes in the center of the bush to provide better air flow, any canes that cross and rub each other, or any twiggy growth that might be tempting to spider mites.

The Nashville Rose Society provides general pruning guidelines: each pruning cut should be made about ¼-inch above an outward-facing bud eye (where the leaf is attached to the stem). Use sharp bypass pruning shears, which will make a clean cut without crushing the stem.

An added tip: remove the spent blooms of roses regularly to encourage the plant to bloom more.

Serious rose growers may do a more severe type of pruning in the fall to winterize bush roses. Nashville Rose Society also provides general guidelines for this process: Stop fertilizing roses early in August to allow the plant to slow down producing new growth, then in early October, stop cutting off the dead flowers. In late November or early December, cut the canes back to 2 to 3 feet and place a mound of mulch around the bush.

Next spring, once the weather begins to warm up, move the mulch away from the roses and prune to about 12 inches to get new growth.

In Saturday’s Tennessean

land trust signThe Ernest and Berdelle Campbell Land Trust Garden is a quarter-acre oasis in Nashville’s tightly-packed Germantown neighborhood. “This will always be green space,” Berdelle Campbell says. Read about the garden and Berdelle’s agreement with The Land Trust for Tennessee in Saturday’s Tennessean, and find more here about my visit with Berdelle, and more photos from the garden.

Free daylilies!

A Middle Tennessee reader emailed last week to say that she has a back yard full of daylilies that she can no longer take care of, and she is trying to find a home for them. “There is a huge assortment in lots of different colors and types, mostly full size but some miniatures,” she wrote. “My grandmother and mom collected them over the year and I don’t really know any of their names.”

If you are looking for daylilies, are willing to take a chance on sizes and colors, and can dig them up yourself, she is willing to donate. Interested? Email me at gloria@gloriaballard.com and I will put you in touch.

Fortunately, the best time to dig and divide daylilies is coming up. I wrote about how to do that task here.

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