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.
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • W
  • X
  • Y
  • Z
  • or use plant finder
  • CLETHRA alnifolia 'Ruby Spice'
    CLETHRA alnifolia 'Ruby Spice'
    © Burncoose Nurseries, all pictures for illustrative purposes only.
    <
    CLETHRA alnifolia 'Ruby Spice' CLETHRA alnifolia 'Ruby Spice' CLETHRA alnifolia 'Ruby Spice' CLETHRA alnifolia 'Ruby Spice' CLETHRA alnifolia 'Ruby Spice' and CLETHRA tomentosa 'Cottondale'
© Burncoose Nurseries, all pictures for illustrative purposes only.
    >

    CLETHRA alnifolia 'Ruby Spice'

    Commonly known as Summersweet, Sweet pepper bush, White alder

     AWARD
    Blue green foliage and rich pink flowers
    plant size comparison icon
    2 to 3 Litre   - Click to view photo
    Delivery Information
    Available from February 2026
    £17.50 each 
    Available from February 2026 - Awaiting new stock
     
    Full Plant Details - Sun/Soil & other attributes
    • Flowering
      local_florist
      Jan
      local_florist
      Feb
      local_florist
      Mar
      local_florist
      Apr
      local_florist
      May
      local_florist
      Jun
      local_florist
      Jul
      local_florist
      Aug
      local_florist
      Sep
      local_florist
      Oct
      local_florist
      Nov
      local_florist
      Dec
    • Good to know
      Wildlife plant - insects, butterflies.
    • Pests & Diseases
      None.
    • Place of origin
      Eastern USA.
    • Deciduous
      Shiny, oval leaves to 10cm (4in) long
    • Shades of pink
      All shades of pink through to Carmine (red)
      Rich pink
    • Bell/Lantern
      Bell-shaped flowers to 1cm (½in) across
    • Racemes
      Dense, upright, terminal racemes to 10cm (4in) long
    • Fully hardy
    • Serrulate
    • Height
      2.5m (8ft)
    • Spread
      2.5m (8ft)
    • Tall Shrub
      Upright, suckering shrub
    • 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)
    • Scented flowers
    • Autumn Seasonal Interest
    • Acid / ericaceous loving
    • Fertile moist well-drained soil
      Humus-rich
    • Partial shade
      Or dappled shade
    • Bee friendly
    • Butterfly friendly
    • Mature Size
      2.5m (8ft)
      Tall Shrub - guide for size not form Average Person
        2.5m (8ft)
       
    View Planting Tips and Care Advice
    View Customers Also Bought
    CLETHRA alnifolia

    CLETHRA alnifolia

    Sweet pepper bush, Summersweet
    Available from £16.50
    CLETHRA alnifolia 'Pink Spires'

    CLETHRA alnifolia 'Pink Spires'

    Sweet pepper bush, Summersweet
    Available from £16.50
    CLETHRA barbinervis

    CLETHRA barbinervis

    Japanese clethra
    Available from £30.00
    LAGERSTROEMIA indica 'Rosea'

    LAGERSTROEMIA indica 'Rosea'

    Crepe myrtle, Cranesbill myrtle
    Available from £17.50

    Useful extras...

    Fertilisers & Feeds - Empathy
    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
    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
    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
    arrow_drop_up