September is for Rudbeckias

Rudbeckia - Black-eyed Susan_XG_20090826_LAH_9669Summer ends this weekend, but late-blooming flowers are far from finished. One can’t help but notice the conspicuous school-bus-yellow daisies, known as Black-eyed Susans, which thrive along our Colorado roadsides. (Most are Rudbeckia hirta, but other species also grow here.) Happily for us gardeners, there are cultivated forms of Rudbeckia that continue to brighten our home landscapes well into autumn.

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