Plants by mail order since 1984 - over 4,100 plants online today!
Burncoose Nurseries - part of the Caerhays Estate
Nursery & Gardens open: Mon - Sat 08.30 - 16.30 & Sun 10:00 - 16:00
Pop up café: Open Thursday-Saturday 10.30 - 14.30 & Sunday 11.00 - 15.00( weather permitting )
Dear Customers. Please be advised that Thursday 18th of December is the last order date for guaranteed delivery before Christmas. Our hard working despatch teams finish on Friday.

The Nursery will be open as normal during the Christmas period, except Bank Holidays, and will be closing at 1.30pm on Christmas Eve and New Year's Eve.

Thank you to all our customers old and new for their valued support this year.
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    PENSTEMON
    PENSTEMON 'Electric Blue'
    PENSTEMON 'Electric Blue'
    © Burncoose Nurseries, all pictures for illustrative purposes only.
    <
    PENSTEMON 'Electric Blue' PENSTEMON 'Electric Blue' PENSTEMON 'Electric Blue' PENSTEMON 'Electric Blue'
    >

    PENSTEMON 'Electric Blue'

    Silver-green leaves with bright blue flowers, tinged with purple.
    plant size comparison icon
    1.5 to 2 Litre  
    Delivery Information
    Available Early Spring 2026
    £12.50  
    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
      local_florist
      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
      Deadhead after flowering
    • Pests & Diseases
      Slugs and snails, possibly eelworm
    • Semi-evergreen
      Keeps some of its foliage all year, and will drop some leaves as well.
    • Blue
    • Bell/Lantern
    • Racemes
    • Border
    • Cottage garden
    • Suitable for small gardens
    • Town garden
    • Blue
      Bluish green
    • Height and Spread
      0.5–1 metres
    • Dwarf shrub
      Typically only grows to a maximum of one or two feet in height but there will be some exceptions.
    • 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 moist well-drained soil
    • Tolerates all
    • Full sun
    • Partial shade
    View Detailed Plant Description

     

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    Useful extras...

    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
    Fertilisers & Feeds - Empathy
    Rootgrow mycorrhizal fungi
    Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
    Small - 60g sachet
    £3.00
    Medium - 150gm sachet
    £6.00
    Large - 360gram sachet
    £12.00
    Unavailable
    Fertilisers & Feeds - Vitax
    Q4 Pelleted Fertiliser
    A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
    0.9 kg
    £6.00
    Unavailable
    2.5 kg
    £13.00
    Unavailable
    4.5 kg
    £25.00
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