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  • KNIPHOFIA 'Royal Castle'
    KNIPHOFIA 'Royal Castle'
    © Burncoose Nurseries, all pictures for illustrative purposes only.
    <
    KNIPHOFIA 'Royal Castle'  KNIPHOFIA 'Royal Castle'  KNIPHOFIA 'Royal Castle'  KNIPHOFIA 'Royal Castle'  CISTUS x corbariensis and KNIPHOFIA
© Burncoose Nurseries, all pictures for illustrative purposes only. KNIPHOFIA 'Royal Castle' and MELIANTHUS major
© Burncoose Nurseries, all pictures for illustrative purposes only.
    >

    KNIPHOFIA 'Royal Castle'

    Commonly known as Poker lily, Red hot poker, Tritoma

    Red/yellow flower spike
    plant size comparison icon
    1.5 to 2 Litre   - Click to view photo
    Delivery Information
    Available Early Spring 2026
    £14.50 each 
    MULTIBUY SAVING
    Any 3+ £12.00 each
    Available Early Spring 2026 - Spring according to the Met office is defined as March 1st - May 31st. Therefore early spring is early March to mid-April. This is not a guaranteed date but an estimate and subject to availability.
     
    Full Plant Details - Sun/Soil & other attributes
    • Flowering
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      Jan
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      Feb
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      Mar
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      Apr
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      May
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      Jun
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      Jul
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      Aug
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      Sep
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      Oct
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      Nov
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      Dec
    • Good to know
      Wildlife plant. Attracts bees, butterflies and other insects
    • Pests & Diseases
      Slugs, snails, aphids, thrips
    • Place of origin
      Southern and tropical Africa, Madagascar, Arabia
    • Evergreen
      Keeled, strap-shaped leaves
    • Semi-evergreen
      Keeps some of its foliage all year, and will drop some leaves as well.
    • Red
    • Yellow
    • Racemes
      Spike-like racemes
    • Border
      Ideal for a herbaceous border
    • Fully hardy
    • Height
      1m (39in)
    • Spread
      60cm (24in)
    • Bulb/Corm or rhizomatous perennial
      Clump-forming rhizomatous perennial. Produces numerous tubular flowers in spikes held well above the leaves
    • Herbaceous
      Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
    • Hardy - cold winter
      Hardy in most places throughout the UK even in severe winters. May not withstand open/exposed sites or central/northern locations. Plant can withstand temperatures down to -15°C (5°F)
    • Summer Seasonal Interest
    • Fertile moist well-drained soil
      Humus-rich, preferably sandy
    • Full sun
    • Partial shade
    • Bee friendly
    • Rabbit Resistant
    • Mature Size
      1m (39in)
      bulb/corm - guide for size not form Watering Can
        60cm (24in)
       
    View Detailed Plant Description

     

    View Planting Tips and Care Advice
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    Useful extras...

    Fertilisers & Feeds - Empathy
    All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants. Perfect used in conjunction with Rootgrow™.
    1 ltr
    £8.50
    Fertilisers & Feeds - Empathy
    AFTER PLANT GROW YOUR OWN seaweed is ready to use liquid concentrate that was specially formulated be used on all edible plants.
    1ltr
    £8.50
    Fertilisers & Feeds - Empathy
    AFTER PLANT TOMATO FEED Liquid Concentrate with Bio stimulant is a high potash liquid concentrate containing seaweed extract, plant derived amino acids and other nutrients specifically formulated to benefit tomatoes and greenhouse plants.
    1ltr
    £8.50
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