trefle.io · Taken May 23, 2018 by Kirse Alina (cc-by-sa)
Acoraceae
Calamus
Acorus calamus
Also known as Sweet sedge, Sweet flag, Flagroot, Calamus aromaticus
Indoor Plants · Edibles & Herbs · Native Plants · Wetland · Fragrant · Medicinal · Pond Marginal · Aquatic · Aromatic · Sweet Flag · Perennial · Water Garden · Herbal
Calamus (sweet flag) is a wetland perennial grown for its fragrant, sword-like foliage with a long history of medicinal and aromatic use. It thrives in boggy, waterlogged soil or at the margins of ponds and streams in sun to partial shade. This easy-care plant requires little attention beyond keeping its roots consistently wet and dividing clumps every few years to maintain vigor.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Water generously; soil should remain damp to wet at all times — suitable for standing water conditions · Keep consistently moist; every 5-7 days or more frequently in heat
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 7–7.5
- Temperature
- -30°F to 95°F
- Cycle
- Perennial
Hardiness
USDA 4a-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 3 ft
- Spacing
- 12 in apart
- Growth rate
- Moderate
- Root depth
- Shallow
- Flowers
- No
- Foliage
- Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Alabama, Alaska, Albania, Alberta, Altay, Amur, Andaman Is., Arkansas, Assam, Austria, Baltic States, Bangladesh, Belarus, Belgium, Borneo, British Columbia, Bulgaria, Buryatiya, California, Cambodia
- Attracts
- Bees
Sources: trefle, usda
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