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  • Upcoming Garden Events in Middle Tennessee

    March 1 – 4: Nashville Lawn & Garden Show, Fairgrounds Nashville: The annual all-indoors garden event that features live garden displays, lectures, vendors, floral designs and special programming Wine Festival featuring Tennessee wines is Saturday (March 3), noon – 5 p.m. For more information on the events and the complete lecture schedule, visit www.nashvillelawnandgardenshow.com.

    April 7: Perennial Plant Sale hosted by the Perennial Plant Society of Middle Tennessee annual Perennial Plant Sale at The Fairgrounds Nashville. Find newly released and hard-to-find perennials along with a wide range of tried and tested varieties, all from top local nurseries. The sale opens at 9 a.m. and usually sells out by early afternoon. For more information, visit www.ppsmtn.org.

    April 14: Herb & Plant Sale hosted by The Herb Society of 9 a.m. – 2 p.m., at The Fairgrounds Nashville Sports Arena building. The sale offers common and rare varieties of herbs and heirloom vegetables and handmade pottery and herb markers by artist Roy Overcast for sale. For more information and a list of available plants, visit www.herbsocietynashville.org.

    April 21: Herb & Craft Fair hosted by First Unitarian Universalist Church of Nashville, 1808 Woodmont Blvd., 9 a.m. – 3 p.m. Top quality perennial and annual herbs, heirloom tomato plants, native and companion plants, along with food and craft items reflecting an interest in the homemade and homegrown: fresh homemade sweet and yeast breads, spice mixes, barbecue sauces, jams and jellies; knitted and sewn items, homes for birds and bees, and art, jewelry and more made from pressed flowers. Visit www.thefuun.org.

    May 12: Hosta sale hosted by the Middle Tennessee Hosta. Proceeds from the sale support the club’s activities. More information about the MTHS is at www.mths-hosta.com.

    May 19: Urban Gardening Festival, hosted by Master Gardeners of Davidson County, 9 a.m. – 4 p.m. (rain or shine) at the Master Gardeners’ Demonstration Garden at Ellington Agricultural Center (5201 Marchant Drive in Nashville). The free event includes information about a variety of gardening methods and techniques, local artisans, exhibiters, growers and more. For information, visit www.mgofdc.org/ugf.

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All leaves, no flowers

QUESTION: I have five plants that I’ve been told are ‘Mini Penny’ hydrangeas. Last year they had lots of white blooms. This year they are growing very well with lots of green leaves etc, but only very few (3) blooms. I have fertilized with an acid balanced Miracle Grow fertilizer as well as a root stimulator. Can you suggest any reason for the lack of blooms this year? – George Carr

First, let’s consider the hydrangea variety that goes by the name ‘Mini Penny.’ A Web search shows that it’s one of the French hydrangeas, a compact, slow-growing mophead variety that blooms pink if the soil is alkaline, or powder blue in acid soil. You say yours had white blooms, so perhaps it’s something else.

Still, we can talk in general about why hydrangeas don’t bloom. The hydrangea expert Judith King, who runs the Web site hydrangeashydrangeas.com (I referred to this site a couple of weeks ago, writing about ‘Annabelle’ hydrangeas), says there are three common reasons why mopheads fail to bloom. 1) If a late spring freeze kills the developing buds, which grow on last year’s stems; 2) If you pruned the shrub too late last year, cutting off the stems that held this year’s buds; 3) If you have a variety that is not suited for this area.

This year, a late spring freeze is probably not the problem. It was cool in late spring, but we didn’t get a freeze, and I’ve seen some gorgeous hydrangeas blooming in gardens around town.

Did you prune? Buds for the following year start forming on French hydrangeas in the summer, so if you pruned the shrub in late summer or fall, you may have cut off all but a few (3) buds.

The third reason – the plant is not suited for the area – can’t be considered until you know what variety you have.

One more note about fertilizer: King advises using a balanced product such as10-10-10, applying it once or twice during the summer. Use caution and follow the package directions, because too much fertilizer can damage the shrubs. It’s also best to fertilize before August, she says, so that any new growth has a chance to harden before winter. Remember, too, that too much nitrogen can cause a plant to grow lots of greenery, but does little to aid in flowering.

 

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