Archive for August 2008
Tuesday, August 12th, 2008
Yesterday while sorting through the mail for the Scott Arboretum library, I came across the Conifer Quarterly from the American Conifer Society. I was intrigued to find on the cover of the magazine a photograph of a cultivar of Sciadopitys verticillata.

I have been familiar with this living fossil also known as Japanese umbrella-pine because it is coveted by many collector gardeners. It has attractive whorls of needles and is very slow growing. As result of this slow growth, it is found rarely in the trade and is highly valued. Naively, I assumed because of its slow growth no cultivars had been…
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Thursday, August 7th, 2008
Early this week, we talked about some of the scented Clethra cultivars found here at the Scott Arboretum. In addition to cultivars of the species alnifolia, we have several other species of Clethra. A favorite of Rhoda Maurer, our Collection Documentation and Programs Manager, is C. barbinervis, Japanese clethra. These past couple of weeks she has been awash in intoxicating scent of C. barbinervis on her daily walk to work along Cedar Lane.

The numerous fragrant white flowers bloom along racemes from July to August. This species of Clethra grows taller than alnifolia, ranging from 10 to 20 feet tall. In the…
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Tuesday, August 5th, 2008
If you are a gardener who loves fragrance, a must-have in your garden for the summer scent is Clethra, Summersweet. The attractive, wonderfully-scented flowers bloom on upright panicles from July into August. To experience this scent for yourself, simply walk through the John W. Nason garden, where the majority of our Clethra collection is located.

While on this stroll through our garden of texture (John W. Nason garden), you can enjoy the sights and smells of this genus. Featured in the John W. Nason garden are several attractive cultivars of Clethra, including our favorite pink cultivar, C. alnifolia ‘Ruby Spice.’

C. alnifolia ‘Ruby Spice’…
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