Three Square Rush (Schoenoplectus americanus) 2" Potted Hardy Marginal Plant

Three Square Rush (Schoenoplectus americanus) 2" Potted Hardy Marginal PlantPond Plants Pre Order 2026! Preorder your pond plants today for the 2026 season and secure your favorite water lilies, marginals, and floating plants before they sell out. Pond plants will begin shipping mid March. We'll ship your order between mid March and May, timed with your regions estimated last frost to ensure your plants arrive ready to thrive. Want them at a specific time? Leave reach out to us at info@wetplants. com or leave a note at

Pond Plants Pre-Order 2026!

Preorder your pond plants today for the 2026 season and secure your favorite water lilies, marginals, and floating plants before they sell out.

Pond plants will begin shipping mid-March. We'll ship your order between mid-March and May, timed with your region’s estimated last frost to ensure your plants arrive ready to thrive.

Want them at a specific time? Leave reach out to us at [email protected] or leave a note at checkout with your preferred ship date, and we’ll do our best to accommodate you.

Order now and let your pond flourish this spring!

Three Square Rush, scientifically known as Schoenoplectus americanus, is a hardy marginal pond plant that adds a touch of elegance to any water garden. This perennial plant features slender, upright stems with distinctive three-sided stems, giving it a unique architectural look. The foliage is a vibrant green, creating a striking contrast against the water's surface.

Features:

• Hardy perennial plant suitable for zones 3-9.
• Grows up to 3 feet tall, making it an excellent choice for the back or middle of the pond.
• Thrives in full sun to part shade, making it adaptable to various pond environments.
• Adds texture and vertical interest to water gardens.
• Easy to grow and maintain, ideal for beginners and experienced pond enthusiasts alike.
• Provides habitat and shelter for aquatic wildlife, enhancing the pond ecosystem.

Care Instructions:

• Plant in a pot with aquatic soil and place in water up to 6 inches deep.
• Ensure the plant receives at least 6 hours of sunlight daily.
• Keep soil moist but not waterlogged.
• Trim back dead or damaged foliage as needed to promote new growth.
• Divide the plant every 2-3 years to control its size and rejuvenate growth.

Uses: Three Square Rush is perfect for creating a naturalistic pond landscape, providing a backdrop for other aquatic plants or as a standalone focal point. Its architectural form adds visual interest and a vertical element to ponds, making it a versatile choice for various water garden styles.

Hardiness zones: 3 - 9