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Isolepis cernua (Slender club-rush)
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1 hour care
per year
per year
0.3m
Max height
Max height
0.2m
Max spread
Max spread
5-10 years
To maturity
To maturity
Low
Toxicity
Toxicity
Plant details
Botanical name
Isolepis cernua
Other names
Slender club-rush, Scirpus cernuus, Low bulrush, Salt marsh bulrush, Fiber optic grass, Scirpus filiformis, Isoleis gracilis, Savis mud-rush
Genus
Isolepis Isolepis
Species
I. cernua - I. cernua is a clump-forming annual or short-lived, evergreen perennial with slender, cylindrical, bright green stems and cream to greenish brown flowers borne on the end of stems in early to midsummer.
Isolepis cernua is: Evergreen
Habit
Clump-forming
Toxicity
All parts of the plant are poisonous. Handling may cause skin irritation.
Flower
Green-brown in Summer
Foliage
Bright-green in All seasons
How to care
Watch out for
Pests
Generally pest free.
Diseases
Generally disease free.
General care
Propagation methods
Division, Seed
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Where to grow
Isolepis cernua (Slender club-rush) will reach a height of 0.3m and a spread of 0.2m after 5-10 years.
Suggested uses
Ground Cover, Low Maintenance, Waterside, Wildlife, Bog garden
Cultivation
Plant in consistently moist soil in full sun or dappled shade. Will tolerate be planted in water up to 10cm. Under glass, grow in loam-based compost in full light. Keep moist all year and fertilise monthly in the growing season.
Soil type
Clay, Loamy, Sandy
Soil drainage
Boggy damp conditions, Moisture-retentive, Pond/In water
Soil pH
Acid, Neutral
Light
Partial Shade, Full Sun
Aspect
South, West
Exposure
Exposed
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
Isolepis cernua
Other names
Slender club-rush, Scirpus cernuus, Low bulrush, Salt marsh bulrush, Fiber optic grass, Scirpus filiformis, Isoleis gracilis, Savis mud-rush
Genus
Isolepis Isolepis
Species
I. cernua - I. cernua is a clump-forming annual or short-lived, evergreen perennial with slender, cylindrical, bright green stems and cream to greenish brown flowers borne on the end of stems in early to midsummer.
Foliage
Evergreen
Habit
Clump-forming
Toxicity
All parts of the plant are poisonous. Handling may cause skin irritation.
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Colour
Flower
Green-brown in Summer
Foliage
Bright-green in All seasons
How to care
Watch out for
Pests
Generally pest free.
Diseases
Generally disease free.
General care
Propagation methods
Division, Seed
Monthly care advice
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Where to grow
Isolepis cernua (Slender club-rush) will reach a height of 0.3m and a spread of 0.2m after 5-10 years.
Suggested uses
Ground Cover, Low Maintenance, Waterside, Wildlife, Bog garden
Cultivation
Plant in consistently moist soil in full sun or dappled shade. Will tolerate be planted in water up to 10cm. Under glass, grow in loam-based compost in full light. Keep moist all year and fertilise monthly in the growing season.
Soil type
Clay, Loamy, Sandy
Soil drainage
Boggy damp conditions, Moisture-retentive, Pond/In water
Soil pH
Acid, Neutral
Light
Partial Shade, Full Sun
Aspect
South, West
Exposure
Exposed
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
USDA zones
Zone 10, Zone 9, Zone 8
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Clay, Loamy, Sandy | Tell us... |
| Soil drainage: | Boggy damp conditions, Moisture-retentive, Pond/In water | Tell us... |
| Soil pH: | Acid, Neutral | Tell us... |
| Light: | Partial Shade, Full Sun | Tell us... |
| Aspect: | South, West | Tell us... |
| Exposure: | Exposed | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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