Potentilla palustris, commonly known as Marsh Cinquefoil, is a herbaceous perennial plant belonging to the Rosaceae family. It is native to wetlands, marshes, and boggy areas of Europe and North America. Here's a description and care guide for Potentilla palustris:

Description:

• Growth Habit: Potentilla palustris forms low-growing clumps with spreading stems that can reach a height of 30 to 60 centimeters (12 to 24 inches).
• Leaves: The leaves are palmately compound, consisting of five leaflets, which are oval or lance-shaped. The leaves are typically dark green and may have toothed margins.
• Flowers: Marsh Cinquefoil produces vibrant, deep red or pink flowers that appear on long stalks above the foliage. The flowers have five petals and a prominent golden-yellow center. Blooming usually occurs during the summer months.
• Fruits: After flowering, Marsh Cinquefoil may produce small, inconspicuous fruits called achenes. These seeds can be dispersed by wind or water to propagate the plant.

Care Guide: Here are some care guidelines for Potentilla palustris:

1. Light Requirements: Potentilla palustris thrives in full sun to partial shade. It prefers at least 4 to 6 hours of direct sunlight per day for optimal growth and flowering.

2. Water Requirements: As its common name suggests, Marsh Cinquefoil is adapted to wetland environments and prefers consistently moist or even boggy soil conditions. It can tolerate shallow water or soil that remains moist but not waterlogged.

3. Soil Conditions: Potentilla palustris grows best in nutrient-rich, acidic to slightly alkaline soils. It can tolerate a range of soil textures, including clay, loam, and sandy soils. Organic matter can be added to improve soil fertility and moisture retention.

4. Temperature and Hardiness: Marsh Cinquefoil is hardy in USDA hardiness zones 3 to 8. It can tolerate a range of temperatures but prefers cooler climates.

5. Maintenance: Once established, Potentilla palustris requires minimal maintenance. Remove any dead or decaying foliage to maintain plant health and appearance. Mulching around the base of the plant can help conserve moisture and suppress weed growth.

6. Propagation: Marsh Cinquefoil can be propagated through division or by sowing seeds. Division can be done in early spring or fall by separating clumps and replanting them. Seeds can be sown in a moist seed-starting mix or directly in the garden. Cold stratification may enhance germination rates.

7. Potential Issues: Potentilla palustris is generally not prone to significant pest or disease problems. However, like many wetland plants, it can be susceptible to fungal diseases if exposed to prolonged wet conditions. Ensure proper air circulation and avoid overwatering to prevent such issues.

8. Ecological Importance: Marsh Cinquefoil provides habitat and food for various wildlife, including pollinators like bees and butterflies. It also offers cover and nesting sites for small animals and birds in wetland ecosystems.

Always check and adhere to any local regulations regarding the planting of Potentilla palustris, as it may be classified as an invasive species in certain regions.

By following these care guidelines, you can cultivate and enjoy the beauty of Potentilla palustris in your garden or wetland landscape.