Potentilla arguta, commonly known as the Tall Cinquefoil or Rough Cinquefoll, is a robust, herbaceous perennial native to North America. This plant is prized for its clusters of bright, yellow flowers that bloom profusely throughout the summer months. Growing to a height of 24-36 inches, Potentilla arguta is characterized by its upright, branching stems and its deeply-lobed, compound leaves. The leaves are green in color, with a rough, hairy texture, and can reach up to 6 inches in length. In late spring to mid-summer, the Tall Cinquefoil produces large, terminal clusters of bright, yellow flowers, each with five petals and a prominent center of stamens. After the flowers fade, Potentilla arguta develops small, dry fruits known as achenes, which are often mistaken for seeds. These achenes are an important food source for various wildlife, including birds and small mammals. Preferring full sun and well-drained, nutrient-rich soils, the Tall Cinquefoil thrives in a variety of garden settings, including meadows, prairies, and open woodlands. Its robust, clumping growth habit makes it an excellent choice for borders, rock gardens, and naturalized areas. Beyond its ornamental value, Potentilla arguta has a long history of use in traditional herbal medicine, with the plant's roots and leaves being used to treat a variety of ailments, including digestive issues and skin conditions. Whether grown for its vibrant, long-lasting flowers, its attractive foliage, or its medicinal properties, the Tall Cinquefoil is a beloved and versatile addition to any sunny garden or naturalized landscape.
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