🌸
Non-native
Sweet Flag
Acorus calamus
— Family: Acoraceae
Perennial
USDA Zone 4-10
A marginal aquatic plant with fragrant, sword-like leaves resembling irises.
Height
2–3 ft
Spread
1.5–2 ft
Sun
Full Sun to Part Shade
Water
Aquatic
🌡️ Growing Conditions
- Lifecycle
- Perennial
- Season
- Cool & Warm season
- Soil
- Wet, boggy
🎯 Uses
Bog Garden
Water Garden
🦋 Wildlife Value
No specific wildlife value noted
🌡️ USDA Hardiness Zones
4a
4b
5a
5b
6a
6b
7a
7b
8a
8b
9a
9b
10a
10b
Temp range: -30°F to 40°F
📍 Native Range
Origin: Non-native species
This plant is not native to any US state.
Also grows in (not native):
AL
AK
AZ
AR
CA
CO
CT
DE
FL
GA
HI
ID
IL
IN
IA
KS
KY
LA
ME
MD
MA
MI
MN
MS
MO
MT
NE
NV
NH
NJ
NM
NY
NC
ND
OH
OK
OR
PA
RI
SC
SD
TN
TX
UT
VT
VA
WA
WV
WI
WY
📅 Planting Calendar
🔄 Transplant
Plant Spring
April – June