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Burncoose Nurseries - part of the Caerhays Estate
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Silver-Gilt Medal awarded at this year's RHS Chelsea Flower Show
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    IRIS sibirica 'Blue King'
    © Burncoose Nurseries, all pictures for illustrative purposes only.
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    IRIS sibirica 'Blue King' IRIS sibirica 'Blue King' IRIS sibirica 'Blue King' IRIS sibirica 'Blue King' ACTINIDIA kolomikta and IRIS © Burncoose Nurseries, all pictures for illustrative purposes only. ACTINIDIA kolomikta and IRIS © Burncoose Nurseries, all pictures for illustrative purposes only. HELIANTHEMUM 'Wisley Primrose', IRIS sibirica 'Blue King' and LITHODORA 'Heavenly Blue' © Burncoose Nurseries, all pictures for illustrative purposes only.
    >

    IRIS sibirica 'Blue King'

    Commonly known as Siberian flag

    Clear blue
     
    Full Plant Details - Sun/Soil & other attributes - Click to close
    • Flowering
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      Feb
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      Apr
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      May
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    • Good to know
      Beardless Siberian iris
    • Pests & Diseases
      Slugs, snails, thrips, viral infections, grey mould(Botrytis)
    • Place of origin
      Central and eastern Europe, northeastern Turkey, Russia. Garden origin.
    • Deciduous
      Usually. Narrow, grass-like leaves to 45cm (18in) long
    • Blue
    • Cottage garden
    • Town garden
    • Fully hardy
    • Height
      To 1.2m (4ft)
    • Spread
      10-50cm (4-20in)
    • Bulb/Corm or rhizomatous perennial
      Clump-forming, rhizomatous perennial. Each branched stem produces up to 5 flowers to 7cm (2¾in) across
    • Herbaceous
      Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
    • Very hardy
      Hardy in the severest continental climates including exposed upland locations in the UK. Plant can withstand temperatures < -20 (-4°F)
    • Summer Seasonal Interest
    • Fertile moist well-drained soil
      Moderately fertile. Humus-rich. Will tolerate moist, but not waterlogged, soil
    • Neutral to acid soil
      Neutral to slightly acid
    • Full sun
    • Partial shade
    • harmful if eaten
      People and pets, i.e. cats, dogs, rabbits, rodents
    • skin irritant
      People
    • Rabbit Resistant
    • Mature Size
      to 1.2m (4ft)
      		 bulb/corm - guide for size not form Watering Can
        10-50cm (4-20in)
      		  
    View Detailed Plant Description

     

    View Planting Tips and Care Advice
    Herbaceous Plants - Video Collection
    Iris - Growing Guide
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    View Planting Combinations

    Useful extras...

    Fertilisers & Feeds - Empathy
    Wildflower Mini Meadow
    Creates a mini-meadow for attracting bees, butterflies and bugs to your garden. 200g sachet which will cover 3 square metres. Contains Rootgrow™ mycorrhizal fungi.
    3m²
    £7.00
    10m²
    £15.50
    Fertilisers & Feeds - Vitax
    Blood, Fish & Bone
    Improves vegetable, fruit and flower quality. Blood, Fish and Bone contains three major nutrients essential for strong and healthy growth.
    1.5 kg
    £6.50
    Fertilisers & Feeds - Empathy
    All-purpose Seaweed Stimulant
    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
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