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When a plant's size is listed by height, it refers to how tall the plant is from the top of the soil line/root ball to the top of the foliage, on average.
When a plant's size is listed in gallons, it refers to the size of the nursery pot it will arrive in. This is reflective of its maturity — larger numbers mean more mature plants.
Approximately 4" in diameter
Approximately 6" in diameter
Approximately 8" in diameter
Approximately 10" in diameter
Approximately 12" in diameter
Approximately 14" in diameter
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Transform your garden into a prehistoric paradise with the Giant Horsetail Reed. Known for its striking, bamboo-like appearance and towering height, this plant adds a unique, architectural element to any landscape.
Bring a touch of the ancient world to your modern garden with the Giant Horsetail Reed. Its unique appearance and practical benefits make it a standout choice for any plant lover looking to add a bit of history and a lot of style to their outdoor space.
Your plants will arrive in happy, healthy condition—guaranteed. If not, we replace them for free. Learn more about our guarantee.
We offer free standard shipping on all orders $99+. Orders under $99 ship for a flat $15 fee. View our full shipping policy.
The Sill offers a variety of plant care workshops for beginners, experts, & everyone in between! No questions too small or too silly! View upcoming schedule.
Chat directly via video with a knowledgeable houseplant expert from The Sill team about plant-specific care, repotting tips and tricks, pest identification, and more. Schedule an appointment today.

Gifting has never been easier
Enter your message and select when to send it.
Transform your garden into a prehistoric paradise with the Giant Horsetail Reed. Known for its striking, bamboo-like appearance and towering height, this plant adds a unique, architectural element to any landscape.
Bring a touch of the ancient world to your modern garden with the Giant Horsetail Reed. Its unique appearance and practical benefits make it a standout choice for any plant lover looking to add a bit of history and a lot of style to their outdoor space.
Live Good Logistics Botanical Name: Equisetum giganteum CA-ship Category: Perennial Eligible For Promo Growing Zone: 8-10 outdoors Growth Rate Value: Fast Mature Height Value: 10-12 ft. Mature Width Value: 4-6 ft. rs_AZ rs_OR Subcategory: Horsetail Sunlight Value: Full-Part Sun Vendor: LGL 41766603292777 3 Gallon 109.00 https: https://www.thesill.com/products/giant-horsetail-reed?variant=41766603292777 OutOfStock 3 Gallon 41766603325545 1 Gallon 59.00 https: https://www.thesill.com/products/giant-horsetail-reed?variant=41766603325545 OutOfStock 1 Gallon