Photo by J.F. Gaffard
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 license.
Acorus calamus
Also Known As
- Variegated Sweet Flag
Plant type
perennial, aquatic
size
- H: 1'-4'
- W: 1'-4'
planting zones
- 3a-10b
Acorus calamus plant details
Acorus calamus is a broadleaf deciduous perennial aquatic with green foliage. In spring bronze flowers emerge. Features grassy texture. Grows well with sun - mostly shade and standing water - regular water. Does well in acidic, average, clay, gritty and rich soil. A good option if you're seeking something heat tolerant, humidity tolerant and verticillium wilt resistant.
CHARACTERISTICS OF Acorus calamus
- Plant type: perennial aquatic
- Plant family: acoraceae
- Foliage: deciduous green
- Mature size: 1 FT - 4 FT - wide, 1 FT - 4 FT - tall
- Flowers: bronze blooms in spring
GROWING CONDITIONS for Acorus calamus
- USDA Zones: 3a - 10b
- Sun exposure: sun - mostly shade
- Watering frequency: standing water - regular
- Resistant to: deer and rabbit, heat, humidity and verticillium wilt
- Soil needs: acidic, average, clay, gritty and rich
Nursery contributed plant descriptions
By: Prairie Nursery
By: Moon - Sun Cactus & Koi Gardens
Garden photo gallery of Acorus calamus
By: J.F. Gaffard
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 license.
Gardening facts about Acorus calamus plant
How to Grow Acorus calamus
Sun Exposure
- sun - mostly shade
Water Needs
- standing water - regular
Soil Needs
- clay
- acidic
- average
- rich
- gritty
Special Situation
- heat tolerant
- humidity tolerant
- verticillium wilt resistant
Features
Foliage Color
- green
Flower Color
- bronze
Wildlife
- deer resistant
- rabbit resistant
Flower Season
- spring
Foliage Season
- deciduous
Texture
- grassy
Landscape groups by tags
See other plant types of Acorus for your garden
aka Acorus gracillima 'Variegata', Grassleaf Sweet Flag, Grassy-leaved Sweet Flag, Variegated Sweet Flag
Plant Type
Perennial, Groundcover, Grass / Grass Like, Aquatic
Zones
5a-11
Size
Height: 6"-12"
Width: 6"-24"
- sun - mostly shade
- standing water - regular
aka Variegated Sweet Flag
Plant Type
Perennial, Grass / Grass Like, Aquatic
Zones
5a-9b
Size
Height: 10"-12"
Width: 6"-18"
- sun - mostly shade
- standing water - regular
aka American Sweet-Flag
Plant Type
Perennial, Grass / Grass Like, Aquatic
Zones
3a-9b
Size
Height: 2'-3'
Width: 2'-3'
- sun - mostly sun
- standing water - regular
aka Acorus gramineus 'Pusillus Aurea', Acorus gramineus 'Pusillus Minimus Aurea', Dwarf Golden Sweet Flag, Dwarf Golden Sweet Flag, Grassy Leaved Sweet Flag, Pusillus Aurea Dwarf Sweet Flag
Plant Type
Perennial, Groundcover, Grass / Grass Like, Aquatic
Zones
5a-11
Size
Height: 3"-5"
Width: 6"-12"
- mostly sun - shade
- standing water - regular
aka Acorus calamus 'Variegatus', Acorus calamus variegatus, Striped Sweet Flag, Variegated Sweet Flag
Plant Type
Perennial, Grass / Grass Like, Aquatic
Zones
4a-10b
Size
Height: 2'-3'
Width: 2'-4'
- sun - mostly shade
- standing water - regular
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