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Heuchera 'Black Sea' (Alum root 'Black Sea')
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2 hours 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
Heuchera 'Black Sea'
Other names
Alum root 'Black Sea', Coral bells 'Black Sea', Coral flower 'Black Sea', Coralbells 'Black Sea'
Genus
Heuchera Heuchera
Variety or Cultivar
'Black Sea' _ 'Black Sea' is a compact, mound-forming, evergreen perennial bearing rounded, glossy, lobed, dark maroon leaves and slender, upright stems bearing panicles of small, bell-shaped, creamy-white flowers from mid-spring into summer.
Heuchera 'Black Sea' is: Semi evergreen
Habit
Compact, Cushion or Mound Forming
Flower
Cream in Spring; Cream in Summer
Foliage
Maroon in All seasons
How to care
Watch out for
Specific pests
Vine weevil , Leaf and bud eelworms Vine weevil , Leaf and bud eelworms
General care
Pruning
Remove faded flower spikes. Cut back any dead or untidy foliage in spring. Rootstock tends to lift out of the ground so mulch annually or lift and replant.
Propagation
Divide in autumn.
Propagation methods
Division
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Where to grow
Heuchera 'Black Sea' (Alum root 'Black Sea') will reach a height of 0.6m and a spread of 0.6m after 2-5 years.
Suggested uses
Beds and borders, Cottage/Informal, Waterside, Banks and Slopes, City, Ground Cover, Underplanting
Cultivation
Grow in fertile, moist but well-drained or well-drained, neutral soil in full sun or partial shade. Mulch in spring. Drought, heat, and humidity tolerant once established.
Soil type
Loamy, Sandy
Soil drainage
Moist but well-drained
Soil pH
Neutral
Light
Partial Shade, Full Sun
Aspect
North, 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
Heuchera 'Black Sea'
Other names
Alum root 'Black Sea', Coral bells 'Black Sea', Coral flower 'Black Sea', Coralbells 'Black Sea'
Genus
Heuchera Heuchera
Variety or Cultivar
'Black Sea' _ 'Black Sea' is a compact, mound-forming, evergreen perennial bearing rounded, glossy, lobed, dark maroon leaves and slender, upright stems bearing panicles of small, bell-shaped, creamy-white flowers from mid-spring into summer.
Foliage
Semi evergreen
Habit
Compact, Cushion or Mound Forming
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Colour
Flower
Cream in Spring; Cream in Summer
Foliage
Maroon in All seasons
How to care
Watch out for
Specific pests
Vine weevil , Leaf and bud eelworms
General care
Pruning
Remove faded flower spikes. Cut back any dead or untidy foliage in spring. Rootstock tends to lift out of the ground so mulch annually or lift and replant.
Propagation
Divide in autumn.
Propagation methods
Division
Monthly care advice
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Where to grow
Heuchera 'Black Sea' (Alum root 'Black Sea') will reach a height of 0.6m and a spread of 0.6m after 2-5 years.
Suggested uses
Beds and borders, Cottage/Informal, Waterside, Banks and Slopes, City, Ground Cover, Underplanting
Cultivation
Grow in fertile, moist but well-drained or well-drained, neutral soil in full sun or partial shade. Mulch in spring. Drought, heat, and humidity tolerant once established.
Soil type
Loamy, Sandy
Soil drainage
Moist but well-drained
Soil pH
Neutral
Light
Partial Shade, Full Sun
Aspect
North, 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, Zone 4
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Loamy, Sandy | Tell us... |
| Soil drainage: | Moist but well-drained | Tell us... |
| Soil pH: | Neutral | Tell us... |
| Light: | Partial Shade, Full Sun | Tell us... |
| Aspect: | North, South, East, West | Tell us... |
| Exposure: | Exposed, Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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