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Eryngium x oliverianum (Oliver eryngo)
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1 hour care
per year
per year
0.9m
Max height
Max height
0.5m
Max spread
Max spread
2-5 years
To maturity
To maturity
Plant details
Botanical name
Eryngium x oliverianum
Other names
Oliver eryngo
Genus
Eryngium Eryngium
Species
E. x oliverianum - E. x oliverianum is an erect, deciduous perennial with ovate to heart-shaped, toothed, dark green leaves and branched stems bearing cone-like umbels of tiny flowers surrounded by showy, narrow, spiny, blue to purple bracts.
Eryngium x oliverianum is: Deciduous
Habit
Erect
Awards
RHS AGM (Award of Garden Merit)
Flower
Blue, Purple in Summer; Purple, Blue in Autumn
Foliage
Dark-green in Summer; Dark-green in Autumn
How to care
Watch out for
Specific pests
Leaf and bud eelworms Leaf and bud eelworms
Foot and root rot , Powdery mildew Foot and root rot , Powdery mildew
General care
Pruning
Cut back faded flower stems or leave for winter interest.
Propagation methods
Root cuttings
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Where to grow
Eryngium x oliverianum (Oliver eryngo) will reach a height of 0.9m and a spread of 0.5m after 2-5 years.
Suggested uses
Coastal, Cottage/Informal, Flower Arranging, Beds and borders, Gravel, Wildlife
Cultivation
Plant in poor or moderately fertile, dry, well-drained soil in full sun. Does not tolerate wet, winter conditions.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, East, West
Exposure
Exposed
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
Eryngium x oliverianum
Other names
Oliver eryngo
Genus
Eryngium Eryngium
Species
E. x oliverianum - E. x oliverianum is an erect, deciduous perennial with ovate to heart-shaped, toothed, dark green leaves and branched stems bearing cone-like umbels of tiny flowers surrounded by showy, narrow, spiny, blue to purple bracts.
Foliage
Deciduous
Habit
Erect
Awards
RHS AGM (Award of Garden Merit)
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Colour
Flower
Blue, Purple in Summer; Purple, Blue in Autumn
Foliage
Dark-green in Summer; Dark-green in Autumn
How to care
Watch out for
Specific pests
Specific diseases
Foot and root rot , Powdery mildew
General care
Pruning
Cut back faded flower stems or leave for winter interest.
Propagation methods
Root cuttings
Monthly care advice
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Where to grow
Eryngium x oliverianum (Oliver eryngo) will reach a height of 0.9m and a spread of 0.5m after 2-5 years.
Suggested uses
Coastal, Cottage/Informal, Flower Arranging, Beds and borders, Gravel, Wildlife
Cultivation
Plant in poor or moderately fertile, dry, well-drained soil in full sun. Does not tolerate wet, winter conditions.
Soil type
Chalky, Loamy, Sandy
Soil drainage
Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, East, West
Exposure
Exposed
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
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| 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: | Full Sun | Tell us... |
| Aspect: | South, East, West | Tell us... |
| Exposure: | Exposed | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
ARTICLES WITH THIS PLANT
By Garden Designer Tony Woods. As our world changes, the need to take care of our most precious resource is greater than ever. Weather is increasingly unpredictable, with drier summers… read more
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