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Acorus christophii (Sweet flag)
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1 hour care
per year
per year
0.3m
Max height
Max height
0.3m
Max spread
Max spread
2-5 years
To maturity
To maturity
Plant details
Botanical name
Acorus christophii
Other names
Sweet flag
Genus
Acorus Acorus
Species
A. christophii - A. christophii is a clump-forming, semi-evergreen, aquatic plant with strap-shaped, glossy, deep green leaves and creamy-white flower spathes in summer.
Acorus christophii is: Semi evergreen
Habit
Clump-forming
Flower
Cream in Summer
Foliage
Green in All seasons
How to care
Watch out for
General care
Pruning
In summer cut out any dead leaves, remove spent flowers and divide every few years to prevent congestion.
Propagation methods
Division
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Where to grow
Acorus christophii (Sweet flag) will reach a height of 0.3m and a spread of 0.3m after 2-5 years.
Suggested uses
Aquatic, Bog garden, Containers, Cottage/Informal, Ground Cover, Low Maintenance, Waterside
Cultivation
Grow in moist or wet soil in full sun. Can be grown in baskets in shallow water.
Soil type
Chalky, Clay, Loamy
Soil drainage
Boggy damp conditions, Moist but well-drained, Moisture-retentive
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Acorus christophii
Other names
Sweet flag
Genus
Acorus Acorus
Species
A. christophii - A. christophii is a clump-forming, semi-evergreen, aquatic plant with strap-shaped, glossy, deep green leaves and creamy-white flower spathes in summer.
Foliage
Semi evergreen
Habit
Clump-forming
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Colour
Flower
Cream in Summer
Foliage
Green in All seasons
General care
Pruning
In summer cut out any dead leaves, remove spent flowers and divide every few years to prevent congestion.
Propagation methods
Division
Monthly care advice
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Where to grow
Acorus christophii (Sweet flag) will reach a height of 0.3m and a spread of 0.3m after 2-5 years.
Suggested uses
Aquatic, Bog garden, Containers, Cottage/Informal, Ground Cover, Low Maintenance, Waterside
Cultivation
Grow in moist or wet soil in full sun. Can be grown in baskets in shallow water.
Soil type
Chalky, Clay, Loamy
Soil drainage
Boggy damp conditions, Moist but well-drained, Moisture-retentive
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
USDA zones
Zone 9, Zone 8, Zone 7, Zone 6, Zone 5
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Chalky, Clay, Loamy | Tell us... |
| Soil drainage: | Boggy damp conditions, Moist but well-drained, Moisture-retentive | Tell us... |
| Soil pH: | Acid, Alkaline, Neutral | Tell us... |
| Light: | Full Sun | Tell us... |
| Aspect: | South, West | Tell us... |
| Exposure: | Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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