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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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Plant peonies in spring or fall

Question: I have a flower bed in a spot that gets morning sun, and I want peonies in my garden. Can I plant them now?
peonies gbYes, early spring is a good time to plant peony rhizomes. They can also be planted in the fall. Once they’re established, peonies are finicky about being moved, so it’s a good idea to make sure the new flower bed is in good shape before you put them in the ground.
Peonies prefer a spot in full sun or with light afternoon shade, with good drainage, and away from the roots of trees and shrubs that would compete for water and nutrients. They can be susceptible to powdery mildew, so make sure they are not crowded and there is good air circulation in the bed.
Work plenty of organic matter and a high-phosphate fertilizer into the soil, and set the roots 1 inch deep.
Peonies may not bloom the first year they are planted, but they should bloom every year after that.

In the garden this week

It’s spring in Middle Tennessee (Zone 7a on the USDA Plant Hardiness Zone map, where The Garden Bench calls home). Here are a few late-March tasks on our gardening to-do list:

  • Replenish mulch around roses, azaleas and other shrubs.
  • Dig and divide, hardy mums, daylilies that have gotten too crowded.
  • Set out transplants of herbs that can stand up to a few more chilly days: parsley, cilantro, sage, chives, oregano are among the garden and kitchen favorites.
  • Trim buddleia or cut it back before new leaves emerge.
  • Last chance to mow over winter-browned liriope; new shoots are beginning to come up from the roots.
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