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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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Too early for tender hostas

Because it has been so warm already, my hostas have been coming up much too early, and I’m afraid they’ll be damaged or killed if we have another freeze. Some are in pots and some are in the ground. What’s the best way to protect them?

hosta shoots

Hosta shoots are difficult to see when they emerge, but they should be protected from a freeze.

You are correct that hostas making an appearance too soon would be damaged by frost or a freeze, so it pays to watch the forecast and take action when the temperature drops. Cornelia Holland, a hosta collector in Franklin, Tenn., grows hundreds of hostas and other shade-loving perennials in a half-acre garden she calls “Tranquility.” She passed along these tips for keeping hostas healthy when they emerge too soon. Continue reading

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Frost-killed plants are ready for the compost

Question: I have a new compost bin for composting vegetable peelings, coffee grounds, eggshells, etc. I also have a lot of dead plants in pots that were killed by the frost. Can I use these in the compost bin?

compost

Dead plants, leaves and other garden debris can be tossed into the compost.

Unless they succumbed to some kind of disease, frost-killed potted plants, along with other end-of-the-season garden debris, are a good addition to compost, so toss them in and don’t worry about it. In fact, they add a much-needed source of “brown” to the nitrogen-rich “green” kitchen scraps, a mixture that’s necessary to produce good compost. Here’s a quick lesson to get your started, adapted from “The Dirt on Composting,” a booklet produced by the Metro Nashville, Tenn. Public Works Department: Continue reading

Time to bring houseplants back indoors

We have had some of our houseplants outdoors for summer, but now that it’s time to bring them back in, how do we get rid of the bugs and insects that are on the plants and in the pots? 

philodendron outdoorsIndoor plants that spend the summer outdoors should be brought back inside well before nights begin to get too cool. Start the process early so you won’t be hustling your plants into a warm area on the evening before the first predicted frost, and so you’ll have time to deal with insects that may try to hitchhike into your home.

In the book Month-By-Month Gardening in Tennessee & Kentucky, garden author Judy Lowe provides this advice on getting houseplants ready to return indoors:

“Remove all yellowed or damaged leaves and faded flowers. Clean all foliage, top and bottom. Clean splattered dirt off the pots. If containers can’t be scrubbed clean, consider new pots or hide the pots in a plastic-lined basket or a decorative container.”

Here’s how Lowe suggests you make sure there are no unwelcome visitors coming in with the returning houseplants:

“Mix up a tub or bucket of 5 parts warm water and 1 part insecticidal soap. Remove plants from their pots, place them in the mixture, and let the plants stand for an hour.” Lowe says that even after doing this, it’s a good idea to keep plants that spent summer outdoors isolated for a few weeks from plants that stayed inside. “Sometimes a stray insect manages to get in anyway, or insect eggs hatch,” she writes. “The problem will be easier to deal with when you can keep the infestation confined to one or two plants.”