Northern Sea Oats (Chasmanthium latifolium) Northern Sea Oats is native to the Mid-Atlantic region, often found along creeks, and rivers and marshes. The plant, known for its attractive seed heads, makes a great ornamental. The seed heads are often used in dried floral arrangements. Also great for winter interest. The plant will come to you in a 3.5 inch pot. Soak thoroughly before planting. Water regularly until established and regularly during times of drought. Description: Foliage is a deep green, bamboo-like, broadleaf. Seed heads flat, biscuit-like, drooping from their own weight. Height 18-36 inches, clump forming. Culture: Sun top part shade. Average to moist rich soil. Bloom time is July and August. ones 4 - 9 Salt tolerant. Companion plants: Swamp Rose Mallow, seaside Goldenrod, Seashore Mallow Wildlife benefits: Provides cover and nesting spots. Birds eat the seeds.