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Heuchera richardsonii (Prairie alum root)
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2 hours care
per year
per year
0.6m
Max height
Max height
0.45m
Max spread
Max spread
2-5 years
To maturity
To maturity
Plant details
Botanical name
Heuchera richardsonii
Other names
Prairie alum root, Prairie alumroot, Richardson's alum root, Heuchera hispida
Genus
Heuchera Heuchera
Species
H. richardsonii - H. richardsonii is a clump-forming, semi-evergreen perennial with heart-shaped to broadly ovate, lobed, mid- to grey-green leaves, hairy beneath, sometimes white-mottled or flushed purple when young, and slender, upright stems bearing open panicles of small, yellow-green, bell-shaped flowers in late spring and early summer.
Heuchera richardsonii is: Semi evergreen
Habit
Clump-forming
Flower
Yellow-green in Spring; Yellow-green in Summer
Foliage
Green 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.
Propagation
Divide every 3-4 years in spring or autumn. Sow seed in a cold frame in spring.
Propagation methods
Division
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Where to grow
Heuchera richardsonii (Prairie alum root) will reach a height of 0.6m and a spread of 0.45m after 2-5 years.
Suggested uses
Beds and borders, Cottage/Informal, Waterside, Banks and Slopes, City, Ground Cover, Underplanting
Cultivation
Grows best in rocky, shallow, well-drained soil in full sun or partial shade. Performs better in afternoon sun in hot, humid summers. Drought tolerant once established. Mulch in winter in cold climates.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Neutral
Light
Partial Shade, Full 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 richardsonii
Other names
Prairie alum root, Prairie alumroot, Richardson's alum root, Heuchera hispida
Genus
Heuchera Heuchera
Species
H. richardsonii - H. richardsonii is a clump-forming, semi-evergreen perennial with heart-shaped to broadly ovate, lobed, mid- to grey-green leaves, hairy beneath, sometimes white-mottled or flushed purple when young, and slender, upright stems bearing open panicles of small, yellow-green, bell-shaped flowers in late spring and early summer.
Foliage
Semi evergreen
Habit
Clump-forming
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Colour
Flower
Yellow-green in Spring; Yellow-green in Summer
Foliage
Green 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.
Propagation
Divide every 3-4 years in spring or autumn. Sow seed in a cold frame in spring.
Propagation methods
Division
Monthly care advice
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Where to grow
Heuchera richardsonii (Prairie alum root) will reach a height of 0.6m and a spread of 0.45m after 2-5 years.
Suggested uses
Beds and borders, Cottage/Informal, Waterside, Banks and Slopes, City, Ground Cover, Underplanting
Cultivation
Grows best in rocky, shallow, well-drained soil in full sun or partial shade. Performs better in afternoon sun in hot, humid summers. Drought tolerant once established. Mulch in winter in cold climates.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Neutral
Light
Partial Shade, Full 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 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4, Zone 3
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: | Moist but well-drained, Well-drained | Tell us... |
| Soil pH: | Neutral | Tell us... |
| Light: | Partial Shade, Full 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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