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PENSTEMON 'Blackbird'
Commonly known as Beard tongue
Dark purple
Further Reading....
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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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PurpleShades of purple/mauve/lilac/violetDark reddish purple
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Height70cm (28in)
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Spread40cm (16in)
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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 winterHardy 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)
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Full sun
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Partial shade
PENSTEMON 'Blackbird'
- Details
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
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Additional FeaturesGood to knowWildlife plant - bees. Deadhead to prolong flowering. Leave foliage through winter for protection.Pests & DiseasesChrysanthemum eelworm, powdery mildewPlace of originGarden origin.Resistant to honey fungusThese plants have little or few problems with honey fungus.
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Flower ShapeRacemesTerminal racemesTubularNarrowly tubular, 4cm (1½in) long
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HardinessFully hardy
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Seasonal InterestAutumnSummer
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Soil ConditionsFertile well drained soilAdd dry winter mulch
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WildlifeBee friendly
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Herbaceous Plants - Video Collection
- Dividing Herbaceous Perennials - Video Tip ondemand_video
- Spring Planting Osteospermums - Video Tip ondemand_video
- Dividing Summer Perennials - Video Tip ondemand_video
- Dividing summer flowering Hemerocallis - Video Tip ondemand_video
- 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
70cm (28in)
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40cm (16in) |

CAMPANULA lactiflora 'Loddon Anna'
Milky bellflower
Available from £13.00

CROCOSMIA 'Honey Angels'
Montbretia
Available from £13.00

HELENIUM 'Wyndley'
Sneeze weed, Helen's flower
Available from £13.50

PENSTEMON
Beard tongue

PENSTEMON 'Maurice Gibbs'
Beard tongue

STIPA tenuissima
Feather grass
Available from £14.00
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)
2 options from £6.00

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