There are a handful of perennials that I consider must-haves for the garden. Phlox is one of them. In full bloom right now, it’s offering big heads of flowers reminiscent of hydrangeas in luscious shades of pink, purple, and red. During the day, the flowers are butterfly magnets; I often see hummingbirds visiting them, too. I have several varieties of phlox planted on the west side of my house; in the late afternoon the fragrance is almost overpowering.
While there’s a lot to be said for this wonderfully old-fashioned perennial, there are a couple of reasons some gardeners don’t love it. The biggest drawback is that many varieties, especially older ones, suffer from a disease called powdery mildew which can make them drop their leaves by midsummer. Happily, newer varieties of phlox such as ‘Grape Lollipop’, ‘Blue Paradise’, and ‘David’ do a stand-up job of resisting the disease. Or, if you don’t grow disease-resistant varieties, grow a medium-height perennial in front of your phlox to hide the foliage.
Another drawback is that phlox will create a lot of seedlings the following spring if you don’t clip off the faded flowers. But deadheading phlox will prevent this. And keep it reblooming through late summer or early autumn.
Do you grow phlox? Do you have a favorite variety?
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