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  • Upcoming Garden Events in Middle Tennessee

    March 1 – 4: Nashville Lawn & Garden Show, Fairgrounds Nashville. The annual all-indoors garden event that features live garden displays, lectures, vendors, floral designs and special programming Wine Festival featuring Tennessee wines is Saturday (March 3), noon – 5 p.m. For more information on the events and the complete lecture schedule, visit www.nashvillelawnandgardenshow.com.

    April 7: Perennial Plant Sale hosted by the Perennial Plant Society of Middle Tennessee  at The Fairgrounds Nashville. Find newly released and hard-to-find perennials along with a wide range of tried and tested varieties, all from top local nurseries. The sale opens at 9 a.m. and usually sells out by early afternoon. For more information, visit www.ppsmtn.org.

    April 14: Herb & Plant Sale hosted by The Herb Society of Nashville, 9 a.m. – 2 p.m., at The Fairgrounds Nashville Sports Arena building. The sale offers common and rare varieties of herbs and heirloom vegetables and handmade pottery and herb markers by artist Roy Overcast for sale. For more information and a list of available plants, visit herbsocietynashville.org.

    May 12: Hosta sale hosted by the Middle Tennessee Hosta Society. Proceeds from the sale support the club’s activities. More information about the MTHS is at www.mths-hosta.com.

    May 19: Urban Gardening Festival hosted by Master Gardeners of Davidson County, 9 a.m. – 4 p.m. at the Master Gardeners’ Demonstration Garden at Ellington Agricultural Center (5201 Marchant Drive in Nashville). The free event includes information about a variety of gardening methods and techniques, local artisans, exhibits, growers and more. For information, visit www.mgofdc.org/ugf.

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Disappearing columbine

The columbine that I planted about three years ago usually starts coming up in March, but it hasn’t started growing this year. Could something have killed it?

Although it self-seeds, columbine is a short-lived perennial.

Although it self-seeds , columbine is a short-lived perennial.

Columbine (Aquilegia is the botanical name), with its lacy leaves and bell-shaped flowers, is a nice addition to spring gardens. It’s a relatively short-lived perennial, however, that owes any sense of longevity to a habit of prolific self-seeding. The original plant may last only two or three years.

It’s also pretty sturdy, despite its delicate appearance. Different varieties of the plants, with their distinctive spurred flowers, range in shades from pure white and light pastels to yellow, red, orange and purple.

Columbine is susceptible to a couple of problems, though, according to the National Gardening Association. The insect larvae called leaf miners leave tan-colored winding tunnels as they feed inside the delicate leaves. If you see this on the foliage, NGA suggest you cut off and destroy the “mined” leaves after the plants have bloomed. New leaves will grow later in the season.

Powdery mildew, a fungal disease, can also affect the foliage, particularly when daytime temperatures are warm and nights are cool. NGA suggests planting in a location that receives afternoon sun and has plenty of air circulation around the plants. If powdery mildew develops, they suggest cutting back the affected parts.

Despite these issues, don’t hesitate to plant more this spring. Select a spot with fertile, well-drained soil in full sun or light or partial shade, loosen the soil to about 12 inches deep and mix in a generous layer of compost. Dig a wide hole, about twice the diameter of the container it’s in, remove the plant from the pot and place it in the hole with the top of the root ball level with the surface of the soil. Fill in and firm the soil around the root ball, and water thoroughly.

In The Tennessean: Four unheralded herbs, “Herbs you may not know about, but need to,” can add culinary interest to your garden this spring. Tap here to read the story in The Tennessean.

Also in The Tennessean: Three popular plant sales are on the calendar this month.

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