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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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Definitely not stars in your lawn

QUESTION: Every year, the small white flowers called star-of-Bethlehem pop up in our lawn. The flowers are cute, but they’re everywhere! It makes an ugly lawn. How can I get rid of it?

Star-of-Bethlehem: Get rid of it if you can.

This time of year, star-of-Bethlehem shoots up in lawns, on creek banks, in wild meadows. They are indeed everywhere – even in gardens, where unsuspecting gardeners may plant them because they are a pretty little wildflower. The bad news is that once they get a foothold in your lawn, they are tough to eradicate.

Star-of-Bethlehem is a cool-season perennial that grows from small bulbs. The foliage resembles wild garlic, and the small white flowers each have six petals. The bulbs multiply rapidly, and are spread easily. After it blooms, the plant dies down and remains dormant until next spring.

As you might expect, it’s considered an invasive exotic here. The plant is native to North Africa, parts of Eastern Europe and western Asia. UT’s Institute of Agriculture notes that it has become a weed problem on athletic fields and golf courses. Even more bad news: the flowers and bulbs of star-of-Bethlehem are poisonous.

You could try digging it up, but that would be a monstrous task because you need to get every little bulb. UT Extension has a list of control products (most of which are to be used only by professionals). There may be very little you can do except wait it out, and don’t spread them around. The USDA Forest Service is very clear about this: “Do not plant this species.”

 

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