The leaves of swamp Rose are pinnately compound, featuring medium to dark green leaflets. Each leaf consists of 7 broad-elliptic, finely-toothed leaflets, although sometimes there are 5 or rarely 9. These leaflets are approximately 2.5 inches (6.35 cm) long, pointed at both ends, with a smooth texture. The leaves exhibit a deep green color that can often turn into attractive shades of red in the fall, adding to their distinctive appearance and aiding in plant identification.

The flowers of swamp Rose are fragrant and single, displaying a delicate pink color. Each blossom measures up to 2 inches (5 cm) across, featuring a captivating contrast with its vibrant yellow center stamens. The petals are arranged in a classic rose formation, spreading out elegantly. Blooming predominantly from late spring to early summer, typically from May through July, these flowers are known for their charming scent and visual appeal. They are a quintessential highlight for any garden or natural setting.

The stem of swamp Rose is characterized by its reddish hue, providing a distinct visual marker. The stems are generally slender with diameters ranging from 0.25 to 0.5 inches (0.6 to 1.3 cm), though they can appear slightly thicker in older plants. The texture is smooth to mildly rough with occasional, small thorns. Branching is frequent and occurs at various heights, ensuring a dense and intricate structure. These stems serve as a key identification feature due to their unique coloration and branching pattern.

The fruit of swamp Rose is a distinctive, pea-sized red hip, roughly 1/2 inch (1.27 cm) in length. These fruits are typically visible from September to October. The hips are smooth and somewhat spherical, transitioning from a greenish hue during development to a rich red at maturity. The texture is firm, housing multiple small seeds that are surrounded by fine hairs within. This bright fruiting body stands outs against the foliage and is an important food source for various wildlife.