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Penstemon 'Countess of Dalkeith' (Penstemon 'Countess of Dalkeith')
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1 hour care
per year
per year
0.6m
Max height
Max height
0.6m
Max spread
Max spread
2-5 years
To maturity
To maturity
Plant details
Botanical name
Penstemon 'Countess of Dalkeith'
Other names
Penstemon 'Countess of Dalkeith', Beardtongue 'Countess of Dalkeith', Penstemon 'Purple and White', Penstemon 'Purpureus Albus'
Genus
Penstemon Penstemon
Variety or Cultivar
'Countess of Dalkeith' _ 'Countess of Dalkeith' is a compact, upright, clump-forming, semi-evergreen perennial with narrowly ovate, dark green leaves and, from midsummer into autumn, upright panicles of tubular, reddish-purple flowers with white throats.
Penstemon 'Countess of Dalkeith' is: Semi evergreen
Habit
Clump-forming, Bushy, Upright
Flower
Reddish-purple in Summer; Reddish-purple in Autumn
Foliage
Dark-green in All seasons
How to care
Watch out for
Specific pests
Eelworms (leaf and bud) , Slugs , Snails Eelworms (leaf and bud) , Slugs , Snails
Downy mildew Downy mildew
General care
Pruning
Deadhead after flowering to maintain vigour. Cut back in mid- to late spring, earlier in areas with mild winters.
Propagation methods
Division, Semi-hardwood cuttings, Softwood cuttings
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Where to grow
Penstemon 'Countess of Dalkeith' (Penstemon 'Countess of Dalkeith') will reach a height of 0.6m and a spread of 0.6m after 2-5 years.
Suggested uses
Beds and borders, Bees (attract & feed bees), City, Cottage/Informal, Low Maintenance, Wildlife
Cultivation
Plant in fertile, well-drained soil in full sun with shelter from cold, drying winds and frost. Tolerates light shade. Protect with a dry winter mulch.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Partial Shade, Full Sun
Aspect
South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Penstemon 'Countess of Dalkeith'
Other names
Penstemon 'Countess of Dalkeith', Beardtongue 'Countess of Dalkeith', Penstemon 'Purple and White', Penstemon 'Purpureus Albus'
Genus
Penstemon Penstemon
Variety or Cultivar
'Countess of Dalkeith' _ 'Countess of Dalkeith' is a compact, upright, clump-forming, semi-evergreen perennial with narrowly ovate, dark green leaves and, from midsummer into autumn, upright panicles of tubular, reddish-purple flowers with white throats.
Native to
Garden origin
Foliage
Semi evergreen
Habit
Clump-forming, Bushy, Upright
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Colour
Flower
Reddish-purple in Summer; Reddish-purple in Autumn
Foliage
Dark-green in All seasons
How to care
Watch out for
Specific pests
Eelworms (leaf and bud) , Slugs , Snails
Specific diseases
General care
Pruning
Deadhead after flowering to maintain vigour. Cut back in mid- to late spring, earlier in areas with mild winters.
Propagation methods
Division, Semi-hardwood cuttings, Softwood cuttings
Monthly care advice
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Where to grow
Penstemon 'Countess of Dalkeith' (Penstemon 'Countess of Dalkeith') will reach a height of 0.6m and a spread of 0.6m after 2-5 years.
Suggested uses
Beds and borders, Bees (attract & feed bees), City, Cottage/Informal, Low Maintenance, Wildlife
Cultivation
Plant in fertile, well-drained soil in full sun with shelter from cold, drying winds and frost. Tolerates light shade. Protect with a dry winter mulch.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Partial Shade, Full Sun
Aspect
South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
USDA zones
Zone 8, Zone 7, Zone 6, Zone 5
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Chalky, Loamy, Sandy | Tell us... |
| Soil drainage: | Well-drained | Tell us... |
| Soil pH: | Acid, Alkaline, Neutral | Tell us... |
| Light: | Partial Shade, Full Sun | Tell us... |
| Aspect: | South, East, West | Tell us... |
| Exposure: | Exposed, Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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