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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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The heat’s on: August garden tips & tasks

Gardeners in Middle Tennessee (where The Garden Bench calls home) know that August can be brutal, and some days it’s best to stay inside. Here’s a tip: Get out early – before 7 a.m. if you can – and get those necessary tasks done. Then enjoy the rest of the day indoors, and remember that cooler days will be here soon.

Early in the month

RudbeckiaKeep deadheading daisies, coneflowers, black-eyed Susans and other summer-flowering perennials.

Many things stop blooming when it’s 90 degrees and above. As things cool down slightly, flowers in the beds and vegetables in the kitchen garden should be blooming again. Provide ample water if it doesn’t rain.

Continue to watch for Japanese beetles. Pick off any you find on your roses or other prized plants, and plunk them into a bowl of soapy water.

Save your prized tomatoes from the birds. Pick them before they are fully red and let them ripen indoors.

If petunias are looking scrappy, cut them back and provide a light dose of fertilizer. They should soon re-bloom.

Continue to harvest and use basil frequently to keep the plant from setting seed too early.

Mid-August

vegetable gardenBegin cleaning up vegetable beds. Remove dead or dying foliage and any rotting vegetables. A tidy garden bed means fewer places for destructive insects to overwinter.

Watch for spider mites on roses, which thrive in hot, dry weather and can quickly defoliate a rosebush. A strong spray of water on the undersides of the leaves every two or three days for a week should help keep them under control.

If you saved your potted amaryllis bulb from last winter and it has spent the summer outdoors, move it to a cool, dark place and let it dry out. Amaryllis needs a dormant period before it blooms again next winter.

There’s no need to water your lawn every day. Experts advise deep watering every few days rather than a shallow sprinkling every day.

Try to keep ahead of the weeds. But if you can’t, at least snip or pinch off the tops to keep them from flowering and setting seed.

Later in the month

Parsley curledLate summer is a good time to thin iris beds. Cut back the foliage, dig up the rhizomes and brush off as much dirt as you can. Discard any roots that are rotting or soft, then replant the rhizomes.

Avoid planting new trees and shrubs in the hottest part of summer. Be sure that trees, shrubs and perennials planted this spring are receiving enough water during long hot spells.

Some summer herbs can be frozen to use later. Try freezing fresh sprigs of parsley, oregano, sage, tarragon and dill. Rinse the herbs and pat them dry, then place them in separate freezer bags or containers with tight-fitting lids. Use them within four months.

Begin gathering seeds of annuals or vegetables to plant next year. Dry seeds thoroughly and store them in a place that’s cool and dry. Be sure to label them before you put them away.

Plant a cool season kitchen garden late this month — spinach, greens, kale, lettuces and other favorites. Keep beds or containers watered as seeds sprout, and watch for late-summer insect pests.

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