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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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Tropical hibiscus adjusts to winter indoors

Question: I had two hibiscus trees in pots outdoors last summer and brought them in for the winter. I placed them in front of a sunny window, but now most of the leaves have turned yellow and fallen off. It does appear that new leaves are trying to grow. What should we do to keep these beautiful plants alive?

Hibiscus c Rojypala wikimedia commonsWhen you bring tropical hibiscus plants (Hibiscus rosa-sinensis) indoors, they respond to the lower level of light by dropping their leaves, so your plants are doing what is normal. You can see that the plant is healthy, because new leaves are already sprouting.

To keep it healthy while it’s indoors this winter, provide water when the soil dries out to within 1 inch of the surface and feed it lightly every few weeks with a high-nitrogen fertilizer. Watch for spider mites, and use insecticidal soap to keep them under control.

A hibiscus growing outdoors can grow to unmanageable size, so now might be a good time to prune it, and if the plant needs repotting, it’s a good time to take care of that chore, as well.

Return the hibiscus to its outdoor home when the weather warms up again in the spring.

 

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