Overview
Kniphofia 'Colour the Sky Sage' (Colour the Sky Series) is a clump forming herbaceous perennial in the genus Kniphofia, part of the Asphodelaceae family, with deciduous foliage. Kniphofia 'Colour the Sky Sage' (Colour the Sky Series) grows best in full sun, and tolerates loam and sand soils and acid and neutral pH. Its UK hardiness is rated H5. Suggested uses include coastal, gravel garden and flower borders and beds.
About
Kniphofia 'Colour the Sky Sage' is a clump-forming herbaceous perennial belonging to the Asphodelaceae family. Like other Kniphofia, it features linear or strap-like deciduous foliage and upright stems bearing compact racemes of tubular, typically drooping flowers. This cultivar thrives in full sun, ideally in a south-facing, exposed position with fertile, moist but well-drained loam or sandy soil of acid to neutral pH. Hardy to UK zone H5, it is suitable for coastal areas, gravel gardens, and flower borders, offering interest through spring and summer. Established clumps can be divided in late spring for propagation.
About the genus
Kniphofia is a genus of perennial flowering plants in the family Asphodelaceae, first described as a genus in 1794. All species of Kniphofia are native to Africa. Common names include tritoma, red hot poker, torch lily and poker plant.
Wikipedia contributors, "Kniphofia", CC BY-SA 4.0 — Kniphofia
Growing conditions
Best soil and position for Kniphofia
- Sunlight
- Full sun
- Soil type
- Loam, Sand
- Soil pH
- Acid, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing
- Exposure
- Exposed
- UK hardiness
- H5
Plant details
Kniphofia 'Colour the Sky Sage' (Colour the Sky Series) size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Suggested uses
- Coastal, Gravel garden, Flower borders and beds
Care notes
Pruning and caring for Kniphofia 'Colour the Sky Sage' (Colour the Sky Series)
- Propagation
- Division of established clumps in late spring
- Pest resistance
- Aphids, Thrips, Slugs, Snails
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Kniphofia 'Colour the Sky Sage' (Colour the Sky Series)?
Kniphofia 'Colour the Sky Sage' (Colour the Sky Series) prefers full sun. It suits exposed positions.
What soil does Kniphofia 'Colour the Sky Sage' (Colour the Sky Series) need?
Kniphofia 'Colour the Sky Sage' (Colour the Sky Series) grows best in loam and sand soil. It prefers acid and neutral soil. Aim for soil that stays moist but well-drained.
Is Kniphofia 'Colour the Sky Sage' (Colour the Sky Series) hardy in the UK?
Kniphofia 'Colour the Sky Sage' (Colour the Sky Series) has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Kniphofia 'Colour the Sky Sage' (Colour the Sky Series)?
Division of established clumps in late spring.
From the Fenn Plants journal
- Notes on DaffodilsWhen to plant daffodil bulbs in the UK, how deep, how to naturalise them in grass, why daffodils stop flowering (“blindness”), and why you should never mix cut daffodils with other flowers.
- Keeping Your NerveHow to garden through a heatwave — the best time to water, why deep soaks beat daily sprinkles, caring for pots and vulnerable plants, and why you can let the lawn go brown.
- Made to LastHow to clean, store and protect garden pots and planters — the frost-proof vs frost-resistant difference, winter care for terracotta and ceramic, and how to reuse a broken pot.
More in the Kniphofia genus
- Kniphofia 'Royal Standard'red-hot poker 'Royal Standard'
- Kniphofia gracilisRed Hot Poker
- Kniphofia northiaegiant red-hot poker
- Kniphofia praecoxgreater red-hot poker
- Kniphofia rooperiRooper's red-hot poker
- Kniphofia rufaRed Hot Poker
- Kniphofia snowdeniiRed Hot Poker
- Kniphofia triangularisdwarf red-hot poker
