Pampas Grass (Cortaderia selloana) Pampas Grass, scientifically known as Cortaderia selloana, is a striking ornamental grass native to South America, specifically Argentina, Brazil, and Uruguay. It is well-known for its large, feathery plumes that can grow up to 10 feet tall, making it a popular choice for landscaping and ornamental purposes. The plant features long, arching green leaves with sharp edges and produces impressive, fluffy pinkish flower plumes in late summer to early fall. USDA Hardiness Zones Pampas Grass is suitable for USDA Hardiness Zones 7 through 11. In colder zones, it may require winter protection or be grown as an annual. Care Instructions 1. Planting Location: Sunlight: Pampas Grass thrives in full sun. It requires at least 6 hours of direct sunlight per day. Soil: It prefers well-drained soil but is adaptable to a variety of soil types, including sandy, loamy, and clay soils. Ensure good drainage to prevent root rot. 2. Watering: Once established, Pampas Grass is drought-tolerant and requires minimal watering. However, regular watering is necessary during the first growing season to establish a deep root system. Water the plant deeply but infrequently, allowing the soil to dry out between waterings. 3. Fertilizing: Pampas Grass does not require frequent fertilization. A balanced, slow-release fertilizer applied in the spring can promote healthy growth. Avoid over-fertilizing, as it can lead to excessive foliage growth at the expense of flower plumes. 4. Pruning: Prune Pampas Grass annually in late winter or early spring before new growth begins. Cut the plant back to about 1-2 feet above the ground. Wear protective gloves and clothing during pruning, as the leaves are sharp and can cause cuts. 5. Mulching: Apply a layer of mulch around the base of the plant to retain moisture and suppress weeds. Mulching also helps protect the roots during colder months. 6. Pest and Disease Control: Pampas Grass is generally pest and disease-resistant. Regular inspection and proper care can prevent potential issues. Remove any dead or diseased foliage to maintain plant health. Additional Information Propagation: Pampas Grass can be propagated by division in the spring or fall. Divide the plant by digging up a clump and separating it into smaller sections, each with a portion of the root system. Invasive Potential: In some regions, Pampas Grass is considered invasive due to its aggressive growth and self-seeding capabilities. Check local regulations before planting. Uses: Pampas Grass is widely used in landscapes for its dramatic appearance. It serves as an excellent focal point in gardens, borders, and large containers. The plumes are also popular in floral arrangements, both fresh and dried. By following these care instructions, you can enjoy the majestic beauty of Pampas Grass in your garden while ensuring it remains healthy and vibrant.