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Kniphofia northiae (Giant red hot poker)
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1 hour care
per year
per year
1.5m
Max height
Max height
0.9m
Max spread
Max spread
2-5 years
To maturity
To maturity
Plant details
Botanical name
Kniphofia northiae
Other names
Giant red hot poker, Giant poker, Octopus red hot poker, Giant poker lily, Northiae torch flower, Broad-leaved poker
Genus
Kniphofia Kniphofia
Species
K. northiae - K. northiae is an evergreen perennial with a rosette of broad, linear, arching, mid-green leaves and, in early to late summer, stout, erect stems bearing dense, oblong racemes of tubular, pale yellow flowers opening from red buds.
Kniphofia northiae is: Evergreen
Habit
Erect flower stem, Rosette
Awards
RHS AGM (Award of Garden Merit)
Flower
Yellow, Red in Summer
Foliage
Mid-green in All seasons
How to care
Watch out for
Specific pests
Diseases
Generally disease-free.
General care
Pruning
Cut down spent flower stems.
Propagation methods
Division
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Where to grow
Kniphofia northiae (Giant red hot poker) will reach a height of 1.5m and a spread of 0.9m after 2-5 years.
Suggested uses
Architectural, Beds and borders, City, Coastal, Cottage/Informal, Gravel, Low Maintenance, Mediterranean, Wildlife
Cultivation
Prefers loam or sandy soil enriched with humus but will tolerate any deep, moist but well-drained soil. Dislikes chalk. Best in full sun but will tolerate partial shade, but flowering will be reduced. Protect young plants with a winter mulch.
Soil type
Loamy, Sandy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Neutral
Light
Full Sun
Aspect
South
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
Kniphofia northiae
Other names
Giant red hot poker, Giant poker, Octopus red hot poker, Giant poker lily, Northiae torch flower, Broad-leaved poker
Genus
Kniphofia Kniphofia
Species
K. northiae - K. northiae is an evergreen perennial with a rosette of broad, linear, arching, mid-green leaves and, in early to late summer, stout, erect stems bearing dense, oblong racemes of tubular, pale yellow flowers opening from red buds.
Foliage
Evergreen
Habit
Erect flower stem, Rosette
Awards
RHS AGM (Award of Garden Merit)
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Colour
Flower
Yellow, Red in Summer
Foliage
Mid-green in All seasons
How to care
Watch out for
Specific pests
Diseases
Generally disease-free.
General care
Pruning
Cut down spent flower stems.
Propagation methods
Division
Monthly care advice
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Where to grow
Kniphofia northiae (Giant red hot poker) will reach a height of 1.5m and a spread of 0.9m after 2-5 years.
Suggested uses
Architectural, Beds and borders, City, Coastal, Cottage/Informal, Gravel, Low Maintenance, Mediterranean, Wildlife
Cultivation
Prefers loam or sandy soil enriched with humus but will tolerate any deep, moist but well-drained soil. Dislikes chalk. Best in full sun but will tolerate partial shade, but flowering will be reduced. Protect young plants with a winter mulch.
Soil type
Loamy, Sandy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Neutral
Light
Full Sun
Aspect
South
Exposure
Exposed
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: | Loamy, Sandy | Tell us... |
| Soil drainage: | Moist but well-drained, Well-drained | Tell us... |
| Soil pH: | Acid, Neutral | Tell us... |
| Light: | Full Sun | Tell us... |
| Aspect: | South | Tell us... |
| Exposure: | Exposed | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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ARTICLES WITH THIS PLANT
The Sentebale garden – designed by Matthew Keightley, head designer of Maidenhead landscaping firm Rosebank and winner of the 2014 People’s Choice Award with his ‘Hope on the… read more
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