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  • Upcoming Garden Events

    Sept. 30: The Nashville Herb Society presents Through the Garden Gate: A Glimpse of Edwardian England, 8 a.m. – 3 p.m. at Cheekwood Botanic Hall. Celebrate the gardens, foods and flowers that delighted Downton Abby family and friends at the turn of the 20th century. The event begins with a hearty Edwardian breakfast, followed by three speakers: Marta McDowell on Beatrix Potter’s Gardening Life; Geraldine A. Laufer on Tussie Mussie – Victorian art of expressing yourself in the language of flowers; and Terry White, The English Garden event florist . Registration includes breakfast, box lunch in the garden with music, English tea and cookies. To learn more or to register, visit www.herbsocietynashvlle.org.

    Tips & tasks – September

    Cut the dead tops of coneflowers, but leave enough for goldfinches to enjoy the seeds.

    Plant cool-weather vegetables for a fall crop: spinach, mustard and turnip greens, radishes, leaf lettuce.

    Start a new lawn of cool-season grass, such as fescue, or refurbish or repair establish lawns.

    Don’t let the soil of newly planted grass dry out. New grass needs about an inch of water per week.

    It’s still warm, so continue to water and weed garden beds as needed.

    Remove dead foliage, spent flowers and other garden debris; replenish mulch as needed.

    Continue to harvest produce, which may be getting a boost now from slightly cooler weather. Keep watering sage, rosemary and other perennial herbs so they’ll be in good shape to get through winter.

    Prepare to bring houseplants back indoors: remove dead leaves, scrub soil from the sides of the pots, treat for insects. Bring tropical plants in before nighttime temperatures dip to 55 degrees.

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O, Christmas pine

QUESTION: I’m using a Norfolk Island pine as a small Christmas tree. What do I need to do to keep it looking nice, and how do I care for it when the holidays are over?

Norfolk Island pine provides a nice alternative to the big tree at Christmas, especially if your space is small or your decorating is simple. It’s best not to load it down with large, heavy ornaments that could break the feathery limbs. Use lights sparingly, if at all, and remove them as soon as you can after Christmas is over.

When it’s time to change it from a Christmas tree to a houseplant, place it in a spot (preferably in a cool room) that gets bright, indirect light – a south- or west-facing window is good – and give it a quarter-turn once a week to encourage it to grow straight up.

The biggest threats to Araucaria heterophylla (that’s the tree’s botanical name) are dry soil and dry air. Keep the soil consistently moist, but don’t let the pot sit in water. Increase humidity in its environment as much as possible. A daily misting could go a long way toward keeping the plant healthy. If the air remains too dry, the Norfolk Island pine responds by dropping its needles, and once they’re gone, they don’t grow back.

Houseplant specialists suggest using a balanced fertilizer once a month in summer, and be on the lookout for pests. Spider mites and mealybugs are drawn to this plant. A cautionary note about placing it outdoors: it’s a very tender plant, and will be damaged if the temperature falls below 40 degrees.

With care, a Norfolk Island pine can last for many years. They grow very large in their native South Pacific environment, but in a home, the tree usually grows, over time, to about 6 feet.

Water in winter

Landscapers know this, but we casual gardeners may not remember that even though it’s winter, the garden still needs water. Pay special attention to newly planted trees and shrubs, broadleaf evergreens (which continue to “breathe” even during winter), pansy beds and perennials that you planted in the fall.

Mulch keeps soil from drying out too quickly, but if the weather is cold but very dry, the soil will eventually dry out.

 

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