Kniphofia 'Primrose Upward'
red-hot poker 'Primrose Upward'
'Primrose Upward' is a clump-forming plant with long, upright to arching leaves; height to 115cm, spread to 110cm. The flower spikes have distinctive colouring, green buds opening to pale yellow florets just tinged with chestnut. Floriferous, and in flower for a long period
Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 yearsUltimate spread
1–1.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Green Yellow | Green | ||
| Autumn | Green Yellow | Green | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or East–facing
Exposure
Exposed Hardiness
H6Botanical details
- Family
- Asphodelaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- 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
Best grown in a sandy soil that has been enriched with humus but any deep, moist but well-drained soil will do. Full sun is best; can tolerate partial shade but flowering is reduced
Propagation
Propagate by division of established clumps in late spring. Propagate by taking offshoots from the crown
Suggested planting locations and garden types
- Cottage and informal garden
- Gravel garden
- City and courtyard gardens
- Mediterranean climate plants
- Flower borders and beds
Pruning
Old flower stems can be cut down after flowering
Pests
Diseases
May be subject to violet root rot in poorly drained soils
Get involved
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