Ninebark - Physocarpus opulifolius - beautiful leaves, bark & flowers
Our Zone 7 is just about the southern limit for Ninebark since it doesn't like a lot of heat and humidity. Some need cool, wet feet. A few can take more heat and adapt. According to Missouri Botanical Garden (the common species is native to Missouri ) "Easily grown in average, dry to medium moisture, well-drained soils in full sun to part shade. Best foliage color occurs in full sun. Tolerates a wide range of soil conditions. Prune as needed immediately after bloom. Plants may be cut close to the ground in winter to rejuvenate." As a matter of fact Physocarpus opulifolius (L.) Maxim., orth. cons. or, common ninebark is native to more than half of the U.S. according to the USDA's site . The native will grow into a 5 foot tall, suckering, thicket that thrives along riverbanks. But it's the hybrids that most gardeners are looking for. They have the characteristic peeling bark but add dramatic leaf color and stop-the-clock flowers. Here are some of the special...