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Plant Profiles / Japanese sweet flag
Photos: Wikimedia Commons
Japanese sweet flag
Acorus gramineus 'Ogon' · Golden sweet flag
Fans of glowing golden-striped leaves that love moist soil.
Part shadeLight
Keep wetWater
EasyCare level
Care at a glance
Light
Part shade
ShadeFull sun
Shade.
Water
Keep wet
DryWet
Very moist.
Humidity
Average
LowHigh
Adaptable.
Temperature
-15–30°C (5–86°F)
CoolWarm
Hardy.
Growth
Slow
SlowFast
20–30 cm.
Soil
Moist mix
LeanRich
Potting mix.
Fertiliser
Spring
RarelyOften
Light.
Pet safety
Toxic
SafeToxic
Mildly toxic.
About this plant
From East Asia. Thrives in wet soil and water features.
Best spots
Moist pots, water bowls and shade.
Plant facts
| Botanical name | Acorus gramineus 'Ogon' |
| Family | Acoraceae |
| Origin | East Asia |
| Plant type | Perennial |
| Mature size | 20–30 cm |
| Growth rate | Slow |
| Foliage | Gold stripes |
| Toxicity | Mild |
| Propagation | Division |
Seasonal care calendar
J
F
M
A
M
J
J
A
S
O
N
D
Active growth
Divide
Active growthDivide
Based on Southern Hemisphere seasons.
Troubleshooting
| Brown tips | Dry. |
| Scorch | Sun. |
| Faded | Shade. |
| Rot | Rare. |
| Untidy | Trim. |
Common questions
Water?
Lots.
Pond?
Yes.
Pets?
Mild.
Shade?
Yes.
