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PENSTEMON 'Blackbird'
Commonly known as Beard tongue
Dark purple
Full Plant Details - Sun/Soil & other attributes - Click to close
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Floweringlocal_floristJanlocal_floristFeblocal_floristMarlocal_floristAprlocal_floristMaylocal_floristJunlocal_floristJullocal_floristAuglocal_floristSeplocal_floristOctlocal_floristNovlocal_floristDec
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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 fungusThese plants have little or few problems with honey fungus.
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Semi-evergreenKeeps some of its foliage all year, and will drop some leaves as well.Narrow, linear-lance-shaped leaves to 7cm (2¾in) long
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Purple
Shades of purple/mauve/lilac/violetDark reddish purple -
RacemesTerminal racemes
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TubularNarrowly tubular, 4cm (1½in) long
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BorderSuitable for a mixed or herbaceous border
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Fully hardy
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Height
70cm (28in) -
Spread
40cm (16in) -
HerbaceousEarly in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch.Free-flowering perennial
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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
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Summer Seasonal Interest
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Fertile well drained soilAdd dry winter mulch
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Full sun
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Partial shade
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Bee friendly
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Mature Size70cm (28in)
40cm (16in)
View Planting Tips and Care Advice
Herbaceous Plants - Video Collection
- Dividing Herbaceous Perennials - Video Tip ondemand_video
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- Summer propagation - Video Tip ondemand_video
- Self-seeding aquilegia - Video Tip ondemand_video
- Supporting Plants - Video Tip ondemand_video
- Dead heading meconopsis - Video Tip ondemand_video
- Dead heading Delphiniums - Video Tip ondemand_video
- Feeding herbaceous peonies - Video Tip ondemand_video
- Overpotting Problems - Video Tip ondemand_video
Penstemon - Growing Guide