Monthly Archives: October 2010

Plant of the Month: Symphyotrichum novae-angliae ‘Purple Dome’

October is the time to enjoy the beauty of asters. You’ll notice from the scientific name that, once again, the taxonomists have been busy re-naming another horticultural favorite. This time, I’m more sympathetic to the taxonomists’ reasoning, but I still … Continue reading

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Powdery Mildew on Lilac

It’s the time of year when you’re likely to notice the leaves of your lilac shrubs (Syringa) covered in a powdery, white substance known as powdery mildew. Powdery mildew on lilac is a fungus whose causal organism is Microsphaera penicullata. There … Continue reading

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It’s Aster Season

With the onset of fall comes the beauty of garden and roadside asters. This particularly nice grouping of Heath Asters (Symphyotricum ericoides) is growing in my neighbor’s yard, self-sowing to form a large, airy clump of star-like blooms. The flowers started to emerge … Continue reading

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