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  • March garden tips & tasks

    If your fescue lawn looks a little skimpy, overseed early this month. Fescue grows best when the weather is still cool.

    Clip dead stems from perennial herbs – thyme, sage, lavender, rosemary. Pruning encourages vigorous new growth.

    Prune nandinas, flowering quince and other airy shrubs by reaching in and removing about a third of the branches at ground level.

    Remove mulch or leaves that may be covering perennials in garden beds.

    Prepare a new garden bed: Have the soil tested (check with your county’s Extension service). Remove grass and dig or till soil 8 to 10 inches deep and mix with soil amendments and organic matter to improve drainage.

    Add fertilizer lightly to perennials as soon as you see new growth. Too much fertilizer may result in lanky growth.

    Herb transplants that don’t mind cool weather -- parsley, cilantro, sage, oregano – can go in the ground now.

    When you cut daffodils to bring inside, cut the stems at an angle and place them in water right away. Change the water in the vase daily to keep them fresh longer.

    Save the date - Middle Tennessee garden events

    The Perennial Plant Society's annual Plant Sale will be April 8, opening at 9 a.m. at The Fairgrounds Nashville. The sale offers newly released and hard-to-find perennials from top local nurseries -- more than 450 varieties of perennials, vines, grasses, shrubs and annuals. The event supports local scholarships for Tennessee horticulture students and monthly gardening programs, open to the public, at Cheekwood Botanical Gardens. For information visit www.ppsmtn.org.

    The Herb Society of Nashville's annual Herb Sale will be April 29, 9 a.m. - 2 p.m. at The Fairgrounds Nashville. The sale will offer heirloom vegetables, rare varieties of perennial and annual herbs, handmade pottery herb markers and more. To learn more, visit herbsocietynashville.org.

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Cover the ground, not the daffodils

QUESTION: What groundcovers can be used that will allow daffodils to come up in the spring?

Spring bulbs will grow through English ivy, but there are better groundcover choices to use.

Several plants used as groundcover permit spring-flower bulbs to grow through. Nashville-area garden specialists offer a few recommendations:

Ajuga, or bugleweed (Ajuga reptans). To some people this is a nice groundcover, to others it’s a weedy nuisance. It can be aggressive, but in the right spot it might be just what you need.

Periwinkle (Vinca minor), grows in shade, is green all year, and has pretty blue or white flowers in spring. Please note: Vinca minor is listed among the invasive exotic plants in Tennessee. Please use responsibly.

Daffodils will also push up through English ivy (Hedera helix), but because it, too, is an invasive exotic that can climb trees and displace more desired species, I would never suggest planting it in the landscape.

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