PENSTEMON 'Blackbird'

Commonly known as Beard tongue

Dark purple
Further Reading....
  • Semi-evergreen
    Keeps some of its foliage all year, and will drop some leaves as well.
    Narrow, linear-lance-shaped leaves to 7cm (2¾in) long
  • Purple
    Shades of purple/mauve/lilac/violet
    Dark reddish purple
  • Height
    70cm (28in)
  • Spread
    40cm (16in)
  • Herbaceous
    Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.
    Free-flowering perennial
  • 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)
  • Full sun
  • Partial shade

PENSTEMON 'Blackbird'

 
  • Additional Features
    Good to know
    Wildlife plant - bees. Deadhead to prolong flowering. Leave foliage through winter for protection.
    Pests & Diseases
    Chrysanthemum eelworm, powdery mildew
    Place of origin
    Garden origin.
    Resistant to honey fungus
    These plants have little or few problems with honey fungus.
  • Flower Shape
    Racemes
    Terminal racemes
    Tubular
    Narrowly tubular, 4cm (1½in) long
  • Garden Location/Conditions
    Border
    Suitable for a mixed or herbaceous border
  • Hardiness
    Fully hardy
  • Seasonal Interest
    Autumn
    Summer
  • Soil Conditions
    Fertile well drained soil
    Add dry winter mulch
  • Wildlife
    Bee friendly
Jan
Feb
Mar
Apr
May
Jun
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Aug
Sep
Oct
Nov
Dec
Herbaceous Plants - Video Collection
Penstemon - Growing Guide
70cm (28in)
 Herbaceous - guide for size not form Watering Can
  40cm (16in)
  

Useful extras...

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.
3 options from £6.00

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)
3 options from £3.00

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™.
Only £7.50

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