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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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Learn to love a lemon

My friends gave me a small Meyer lemon tree in a pot for my birthday. It already has a few tiny lemons growing! How should I take care of it?
Meyer lemon
As you probably already know, Meyer lemon (or any citrus) must be grown in a container anywhere the temperature gets to the freezing point in winter, because it will have to come indoors. With that in mind, plan to treat it as you would any high-maintenance houseplant – give it the right soil, lots of light, enough (but not too much) water, a little fertilizer, and plenty of TLC.

Use a container with adequate drainage, and a good potting mix. Some sources recommend placing a layer of gravel in the bottom of the pot for additional drainage. Choose a soilless potting mix that contains vermiculite or perlite; never use garden soil for your Meyer lemon in a container.

The tree can spend the summer outdoors where it can get plenty of sunlight (the recommended amount is at least 8 hours a day). In fact, if you want lemons, place the plant outdoors before it blooms, so the bees and other pollinators can do their job when the flowers emerge; otherwise, you’ll need to fertilize the flowers by hand in order for lemons to form.

Be sure to water the plant regularly. A layer of mulch on top of the soil will help retain moisture, but don’t smother the trunk of the tree with mulch, and allow the soil to dry between waterings.

Meyer lemon (and other citrus plants) benefits from regular applications of plant food. I use Espoma Organic Citrus-tone, but there are other choices available. Follow the instructions on the package. Citrus-tone’s recommended fertilizing schedule suggests feeding in late winter (before the plant blooms), late spring (after it blooms) and in fall.

As the weather begins to cool down, prepare the tree to come indoors. Begin to bring it into the shade well before the first frost date, so that it can begin to acclimate to lower light conditions. When you bring the plant indoors, place it in a south- or southwest-facing window – or as sunny a spot as you can find – and provide supplemental light if necessary. Regular, light misting with water from a spray bottle helps provide the humidity citrus plants need.

Watch for aphids, spider mites, mealybugs and scale, all of which may be attracted to your Meyer lemon. If you find signs of insect infestation (webs, speckled leaves, sticky residue) treat the plant with insecticidal soap.
Lemons generally ripen in six to nine months. It takes a bit of care and attention to produce fruit, but the flavor of Meyer lemons, which is somewhat sweeter than other lemons, is worth the extra work.

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