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Herbaceous Perennial

Kniphofia thomsonii var. thomsonii 'Stern's Trip'

Thomson's red-hot poker 'Stern's Trip'

A deciduous perennial with low-growing sparse foliage. The flowers are pale orange, opening from darker buds, widely-spaced on 1m tall stems, and produced from midsummer to mid-autumn

Synonyms
Kniphofia thomsonii var. thomsonii triploid variety
Kniphofia thomsonii var. snowdenii triploid variety

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Orange Green
Autumn Orange Green
Winter
Position
  • Full sun
  • Partial shade
Aspect

West–facing or South–facing

Exposure
Exposed or Sheltered
Hardiness
H4
Botanical details
Family
Asphodelaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus

Kniphofia may be evergreen or herbaceous perennials, with linear or strap-shaped leaves and erect stems bearing a dense raceme of tubular, usually pendent flowers

Name status

Accepted

How to grow

Cultivation

Grow in full sun and fertile, moist but well-drained soil that isn’t too wet over winter. See kniphofia cultivation for further advice

Propagation

Propagate by division of established clumps in late spring. Propagate by taking offshoots from the crown

Suggested planting locations and garden types
  • Coastal
  • Cottage and informal garden
  • Flower borders and beds
Pruning

Cut down old flower stems after flowering; old or dead leaves can be tidied up or removed in mid-spring

Pests

May be susceptible to aphids, thrips, slugs and snails

Diseases

Generally disease-free

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