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Arisaema speciosum (Cobra lily)
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1 hour care
per year
per year
0.6m
Max height
Max height
0.3m
Max spread
Max spread
2-5 years
To maturity
To maturity
Low
Toxicity
Toxicity
Plant details
Botanical name
Arisaema speciosum
Other names
Cobra lily, Arum speciosum, Arisaema eminens, Arisaema speciosum var. truncatus, Arisaema speciosum var. eminens
Genus
Arisaema Arisaema
Species
A. speciosum - A. speciosum is a tender, tuberous perennial with a mottled stem, usually a solitary, palmate leaf and, below the leaf in spring or early summer, a hooded, trailing, white-striped, dark purple spathe.
Arisaema speciosum is: Deciduous
Habit
Erect, Upright
Toxicity
All parts of the plant are poisonous if ingested. The sap may irritate skin and eyes.
Flower
Striped, Dark-purple in Spring; Dark-purple, Striped in Summer
Foliage
Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn
How to care
Watch out for
Specific pests
Slugs , Snails , Vine weevil Slugs , Snails , Vine weevil
Diseases
Generally disease-free.
General care
Propagation methods
Division, Seed
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Where to grow
Arisaema speciosum (Cobra lily) will reach a height of 0.6m and a spread of 0.3m after 2-5 years.
Suggested uses
Beds and borders, Bog garden, City, Cottage/Informal, Flower Arranging, Low Maintenance, Underplanting, Woodland
Cultivation
Plant rhizome 20cm deep. Under glass, grow in clay containers in equal parts loam, leaf mould and grit in bright, indirect light. Outdoors, grow in moist, well-drained soil in cool, partial shade. Mulch in winter and protect from frost in spring.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Moist but well-drained
Soil pH
Acid, Neutral
Light
Partial Shade, Full Sun
Aspect
North, South, East, 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
Arisaema speciosum
Other names
Cobra lily, Arum speciosum, Arisaema eminens, Arisaema speciosum var. truncatus, Arisaema speciosum var. eminens
Genus
Arisaema Arisaema
Species
A. speciosum - A. speciosum is a tender, tuberous perennial with a mottled stem, usually a solitary, palmate leaf and, below the leaf in spring or early summer, a hooded, trailing, white-striped, dark purple spathe.
Foliage
Deciduous
Habit
Erect, Upright
Toxicity
All parts of the plant are poisonous if ingested. The sap may irritate skin and eyes.
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Colour
Flower
Striped, Dark-purple in Spring; Dark-purple, Striped in Summer
Foliage
Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn
How to care
Watch out for
Specific pests
Slugs , Snails , Vine weevil
Diseases
Generally disease-free.
General care
Propagation methods
Division, Seed
Monthly care advice
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Where to grow
Arisaema speciosum (Cobra lily) will reach a height of 0.6m and a spread of 0.3m after 2-5 years.
Suggested uses
Beds and borders, Bog garden, City, Cottage/Informal, Flower Arranging, Low Maintenance, Underplanting, Woodland
Cultivation
Plant rhizome 20cm deep. Under glass, grow in clay containers in equal parts loam, leaf mould and grit in bright, indirect light. Outdoors, grow in moist, well-drained soil in cool, partial shade. Mulch in winter and protect from frost in spring.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Moist but well-drained
Soil pH
Acid, Neutral
Light
Partial Shade, Full Sun
Aspect
North, South, East, West
Exposure
Sheltered
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: | Chalky, Loamy, Sandy | Tell us... |
| Soil drainage: | Moist but well-drained | Tell us... |
| Soil pH: | Acid, Neutral | Tell us... |
| Light: | Partial Shade, Full Sun | Tell us... |
| Aspect: | North, South, East, West | Tell us... |
| Exposure: | Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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M&G Investments, the title sponsor of the RHS Chelsea Flower Show, commissioned designer Andy Sturgeon (Best in Show winner 2010 and 2016) to create this incredible garden. read more
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