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Burncoose Nurseries - part of the Caerhays Estate
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  • PENSTEMON 'Heavenly Blue'
    PENSTEMON 'Heavenly Blue'
    © Burncoose Nurseries, all pictures for illustrative purposes only.
    <
    PENSTEMON 'Heavenly Blue'  PENSTEMON 'Heavenly Blue'  PENSTEMON 'Heavenly Blue'  PENSTEMON 'Heavenly Blue'  ACHILLEA 'Moonshine' and PENSTEMON 'Heavenly Blue'
© Burncoose Nurseries, all pictures for illustrative purposes only. PENSTEMON 'Heavenly Blue' and RODGERSIA pinnata
© Burncoose Nurseries, all pictures for illustrative purposes only.
    >

    PENSTEMON 'Heavenly Blue'

    Commonly known as Beard tongue, Foothill penstemon

    (syn. P. heterophyllus 'Heavenly Blue') - low-growing with plentiful lilac-blue flowers
    plant size comparison icon
    1.5 to 2 Litre   - Click to view photo
    Delivery Information
    Available Early Spring 2026
    £12.50 each 
    MULTIBUY SAVING
    Any 3+ £11.00 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
    • Pests & Diseases
      Chrysanthemum eelworm, powdery mildew
    • Place of origin
      USA. (California). Garden origin
    • Resistant to honey fungus
      These plants have little or few problems with honey fungus.
    • Semi-evergreen
      Keeps some of its foliage all year, and will drop some leaves as well.
      leaves 2-5cm (¾-2in) long, narrowing at the bases
    • Blue
    • Racemes
      Erect racemes
    • Tubular
    • Border
      Suitable for a mixed or herbaceous border
    • Fully hardy
    • Blue
      Blue-green
    • Entire
    • Lanceolate
    • Linear
    • Height
      50cm (20in)
    • Spread
      50cm (20in)
    • Dwarf shrub
      Typically only grows to a maximum of one or two feet in height but there will be some exceptions.
      Vigorous subshrub forming low mounds of foliage beneath densely packed stems of flowers 2.5-4cm (1-1½in) long
    • Herbaceous
      Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
    • Hardy - average winter
      Hardy through most of the UK apart from inland valleys, at altitude and central/northerly locations. May suffer foliage damage and stem dieback in harsh winters in cold gardens. Plant can withstand temperatures down to -10°C (14°F)
    • Autumn Seasonal Interest
    • Summer Seasonal Interest
    • Fertile well drained soil
      Give winter mulch
    • Full sun
    • Partial shade
    • Bee friendly
    View Detailed Plant Description

     

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    Useful extras...

    Vermin & Pest Control
    This is a non-biological non-chemical plant insecticide and mildewcide. Works against the physical motion of the insect. Perfect for all plants and edible crops.
    500 ml
    £8.00
    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 - Vitax
    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
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