Overview
Kniphofia 'Alcazar' is a clump forming perennial in the genus Kniphofia, part of the Asphodelaceae family, with deciduous foliage. Kniphofia 'Alcazar' grows best in full sun, and tolerates well-drained soils and any pH. Its UK hardiness is rated H5. Suggested uses include borders, containers and cut flowers.
About
Kniphofia 'Alcazar' is a perennial plant known for its striking, upright flower spikes that transition from bright red at the top to yellow at the base, resembling a torch or poker.
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
- well-drained
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- moderate
- Aspect
- South-facing, West-facing
- Exposure
- full
- UK hardiness
- H5
Plant details
Kniphofia 'Alcazar' size, habit and characteristics
- Plant type
- perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Suggested uses
- borders, containers, cut flowers
Care notes
Pruning and caring for Kniphofia 'Alcazar'
- Cultivation
- Plant in well-drained soil in a sunny position. Tolerates drought once established.
- Pruning
- Cut back old flower stems after flowering to encourage new growth.
- Propagation
- division, seed
- Pest resistance
- Aphids, Thrips, Slugs, Snails
- Disease resistance
- Generally disease-free
Frequently asked questions
How do I grow Kniphofia 'Alcazar'?
Plant in well-drained soil in a sunny position. Tolerates drought once established.
Where is the best place to plant Kniphofia 'Alcazar'?
Kniphofia 'Alcazar' prefers full sun. It suits full positions.
What soil does Kniphofia 'Alcazar' need?
Kniphofia 'Alcazar' grows best in well-drained soil. It is happy in soil of any pH. Aim for soil that stays moderate.
How do I prune Kniphofia 'Alcazar'?
Cut back old flower stems after flowering to encourage new growth.
Is Kniphofia 'Alcazar' hardy in the UK?
Kniphofia 'Alcazar' 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 'Alcazar'?
Division, seed.
More in the Kniphofia genus
- Kniphofia 'Royal Standard'red-hot poker 'Royal Standard'
- Kniphofia gracilisRed Hot Poker
- Kniphofia rufaRed Hot Poker
- Kniphofia triangularisdwarf red-hot poker
- Kniphofia tuckii of gardensRed Hot Poker
- Kniphofia 'Ada'red-hot poker 'Ada'
- Kniphofia 'Erecta'red-hot poker 'Erecta'
- Kniphofia 'Goldelse'red-hot poker 'Goldelse'