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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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Continue to care for new shrubs in winter

We planted aucubas and hollies in the spring and kept them watered all summer, and they’re doing well. Do we need to water them in winter, too?

Aucuba japonica

Replenish mulch at the base of spring-planted aucuba and other shrubs.

Spring-planted shrubs that received regular water should be well-established by fall, so you can cut back on the amount of water they receive. But don’t neglect them completely. It’s a good idea to replenish the mulch, adding enough so that it’s about three inches thick. Mulch holds moisture in the soil, and also keeps it from freezing and thawing as temperatures swing from cold to warmer and back again. Remove any dead or diseased leaves from under the shrubs before you add mulch, and remember not to pile mulch up against the trunk.

One other winter grooming tip: If you have deciduous trees in the area that have dropped leaves onto the shrubs, take time to remove the leaves, especially if there are so many that they would block the sun.

As I mentioned in last week’s question-and-answer, a yard-full of leaves is a good source of mulch for those shrubs. Chop them with the mower before you spread them on the ground under the shrubs.

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