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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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For mums, just a pinch

QUESTION: I bought pots of mums last fall and planted them in the ground after they finished blooming. They died back over the winter, but grew back this spring. I’ve heard that they should be trimmed after they start to grow, but how much should they be cut?

MumsThose ubiquitous pots of cheerful chrysanthemums that appear in garden centers in late summer are referred to as florists mums. Planted in full sun in good, well-drained garden soil, they should indeed return year after year.

The shoots can begin to appear early in spring. Garden experts advise pinching off the tips of florists mums after they reach 5 – 6 inches tall. As they continue to grow, keep pinching, nipping off the top pair of leaves, throughout the spring and early summer to encourage more lateral growth (making the plants fuller and bushier). This will also delay flowering until late summer and fall, when these bright spots of color will be welcome in the garden.

Keep pinching until about mid-July, then allow the plants to begin to form buds, which will start to flower as fall approaches, about the time many other things are beginning to shut down.

Mums seem pretty resilient. In my own garden, which is more dappled sun and shade than full sun, the mums quickly grow tall and rangy, and I cut them back more severely – sometimes as much as three or four inches off the tops of the plants (I’ll give them a final trim this week). Still, they continue to grow tall, and flop over to cover the garden in a patchwork quilt of colors each fall.

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