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Arisaema costatum (Striped cobra lily)
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1 hour care
per year
per year
0.5m
Max height
Max height
0.2m
Max spread
Max spread
2-5 years
To maturity
To maturity
Low
Toxicity
Toxicity
Plant details
Botanical name
Arisaema costatum
Other names
Striped cobra lily, Jack-in-the-pulpit, Cobra lily, Ribbed cobra lily
Genus
Arisaema Arisaema
Species
A. costatum - A. costatum is a tuberous perennial with a single, red-margined leaf divided into three ovate leaflets and, in early summer, a hooded, deep purple-brown spathe with white stripes and a long, narrow, twisted spadix.
Arisaema costatum is: Deciduous
Habit
Erect, Upright
Toxicity
All parts of the plant are poisonous if ingested. The sap may irritate skin and eyes.
Flower
Striped, Purple, Brown, White 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 costatum (Striped cobra lily) will reach a height of 0.5m and a spread of 0.2m after 2-5 years.
Suggested uses
Beds and borders, Bog garden, City, Cottage/Informal, Flower Arranging, Low Maintenance, Underplanting, Woodland
Cultivation
Plant rhizome 20 cm deep in moist, well-drained soil in a cool, partially shaded site. Mulch when the foliage dies down & protect from late frosts in spring. Under glass, grow in clay pots in equal mix loam, leaf mould & grit in bright, filtered light.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Moist but well-drained, Moisture-retentive
Soil pH
Acid, Neutral
Light
Partial Shade, Full Shade
Aspect
North, South, East, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Tender in frost (H3)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Arisaema costatum
Other names
Striped cobra lily, Jack-in-the-pulpit, Cobra lily, Ribbed cobra lily
Genus
Arisaema Arisaema
Species
A. costatum - A. costatum is a tuberous perennial with a single, red-margined leaf divided into three ovate leaflets and, in early summer, a hooded, deep purple-brown spathe with white stripes and a long, narrow, twisted spadix.
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, Purple, Brown, White 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 costatum (Striped cobra lily) will reach a height of 0.5m and a spread of 0.2m after 2-5 years.
Suggested uses
Beds and borders, Bog garden, City, Cottage/Informal, Flower Arranging, Low Maintenance, Underplanting, Woodland
Cultivation
Plant rhizome 20 cm deep in moist, well-drained soil in a cool, partially shaded site. Mulch when the foliage dies down & protect from late frosts in spring. Under glass, grow in clay pots in equal mix loam, leaf mould & grit in bright, filtered light.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Moist but well-drained, Moisture-retentive
Soil pH
Acid, Neutral
Light
Partial Shade, Full Shade
Aspect
North, South, East, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Tender in frost (H3)
USDA zones
Zone 9, Zone 8, Zone 7
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, Moisture-retentive | Tell us... |
| Soil pH: | Acid, Neutral | Tell us... |
| Light: | Partial Shade, Full Shade | Tell us... |
| Aspect: | North, South, East, West | Tell us... |
| Exposure: | Sheltered | Tell us... |
| Hardiness: | Tender in frost (H3) | Tell us... |
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