Ask The Gardener - "What are the big white flowers...?"

Q: What are the big white flowers I see in roadside ditches?
A: There are many showy, native plants along roadside ditches. A summer bloomer often grown in gardens is aptly named swamp mallow, Hibiscus moscheutos. It’s a hardy herbaceous hibiscus that makes an attractive shrub growing 4- to 6-feet tall with fuzzy foliage crowned by 6- to 8-inch white blossoms with maroon centers.

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