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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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Hellebores for winter blooms

Every year I see Lenten roses blooming in my friends’ gardens in December, and I intend to grow some in my own garden. When is the best time to plant them?

Hellebores The Garden Bench

The blooms of Lenten roses – hellebores – are welcome in a garden when everything else is dormant. They are tough plants, with evergreen foliage and flowers that bloom in January and February (or, as you note, as early as December). The flowers of established plants generally last well into spring.

Middle Tennessee plantsman Troy Marden includes hellebores (Helleborus x hybridus) in his Southern Gardener’s Handbook, in the chapter on Perennials for the South. He notes that fall is a good time to plant Lenten roses. They can grow in a bed that’s partly shady, and they do best in rich, well-drained soil.

Hellebores may grow slowly at first, but once they’re established they quickly get bigger. Marden suggests a dose of composted manure or organic fertilizer in spring to encourage lush growth and abundant blooms the next year. They also self-sow, and the young seedlings can be dug up and transplanted in spring.

Reminder: It’s tree-planting time

Fall’s cooler weather signals the start of tree-planting time.

“It’s better to plant while the tree is dormant, after the leaves are gone,” says Randall Lantz, landscaping and horticulture superintendent for Metro Nashville Parks and Recreation. Strong root growth is important for the tree’s survival, and after leaf drop, the trees can put their energy into growing roots without having to support the top, he explains.

ball burlap treesSurvival also depends on planting the right tree in the right place.

“Look at your neighborhood and see what’s thriving all around, and also determine what kind of space you have,” says Lantz. “Think about whether you need a small tree or a ‘canopy’ tree, which can be very large.

When it’s time to plant, keep these guidelines in mind:

∙ Most trees need good drainage, so make sure the spot you select drains well.

∙ Don’t plant too deep. A young tree with its root ball wrapped in burlap should be planted a couple of inches higher than the soil level. “Trees tend to settle after they’re planted,” Lantz explains.

∙ Dig a hole that is several inches wider than the root ball (ideally, it should be about twice as wide), with a flat bottom, at a depth that is an inch or so less than the height of the root ball. Place the root ball in the hole and backfill with native soil.

∙ Finally, water the newly planted tree well to settle the soil around the root ball. Trees planted in fall and winter will be ready to grow and thrive next spring.

In Saturday’s Tennessean: Belmont Mansion’s Central Parlor goes back in time; Adelicia would feel right at home.

Enjoy the crisp fall weather. Tap here for a list of garden tips & tasks for November.

 

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