Calamus Seeds, Sweet Flag Water (Acorus calamus) – Aromatic wetland plant with long herbal history. Grows well in ponds and rain gardens.

Bring a touch of herbal history and natural elegance to your water garden with Calamus (Acorus calamus)—a fragrant wetland plant treasured for centuries in traditional herbalism. With its sword-like foliage, spicy aroma, and resilience in moist conditions, Calamus thrives where other herbs won't: alongside ponds, in boggy soil, and rain gardens.

Native to temperate wetlands across Asia, Europe, and North America, Calamus (also called Sweet Flag) is a low-maintenance rhizomatous perennial that adds vertical texture and ancient charm to naturalized landscapes and water features.

🌱 Key Features:

• 🌾 Striking Foliage: Upright, grass-like green blades up to 3 ft tall

• 🌿 Aromatic: Leaves and rhizomes emit a sweet, spicy scent when crushed

• 💧 Loves Water: Ideal for bogs, pond edges, rain gardens, or consistently moist beds

• 🧪 Historic Use: Used in traditional medicine and herbal lore for centuries

• 🌎 Naturalized Species: Found in wild wetland habitats globally

• 🐝 Pollinator Support: Spring to early summer flowering with small yellow-green blooms

🧑🌾 Planting & Growing Tips:

• Germination: Sow in moist seed-starting mix; keep warm and humid (60–70°F). Germination may take several weeks.

• Best Sowing Time: Spring or early summer

• Light Needs: Full sun to part shade

• Soil Preference: Wet, loamy, or clay-rich soil; tolerates standing water

• Mature Height: 24–36 inches

• Spacing: 12–18 inches apart

• Zones: Perennial in USDA Zones 4–10

🌿 Perfect For:

• Water gardens and pond edges

• Rain gardens and drainage zones

• Herbalists and permaculture growers

• Naturalized or historical gardens

• Low-maintenance moisture-loving landscapes

⚠️ Important Note:

Some wild forms of Calamus contain compounds not recommended for internal use. Always research your specific strain and consult professional sources before using for medicinal purposes.

💧 Where Water and Tradition Meet

Whether you’re creating a lush pondside habitat or honoring traditional herbal landscapes, Calamus (Sweet Flag) offers both timeless beauty and deep-rooted heritage. Its aromatic presence and adaptability make it a must-have for wetland-loving gardeners and herbal growers alike.