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Quercus ilex (Holm oak)
1 hour care
per year
per year
15m
Max height
Max height
12m
Max spread
Max spread
20-50 years
To maturity
To maturity
Plant details
Botanical name
Quercus ilex
Other names
Holm oak, Evergreen oak, Holly-leaved oak, Holly-oak, Ilex
Genus
Quercus Quercus
Species
Q. ilex - Q. ilex is a large evergreen tree forming a dense crown of rounded leaves and inconspicuous yellow-green catkins in spring followed by characteristic acorns.
Quercus ilex is: Evergreen
Tree shape
Large, rounded crown
Awards
RHS AGM (Award of Garden Merit)
Flower
Yellow-green in Spring
Foliage
Dark-green in All seasons
How to care
Watch out for
Specific pests
Leaf mining moths , Aphids Leaf mining moths , Aphids
Diseases
Generally disease-free.
Oak galls , Oak wilt Oak galls , Oak wilt
General care
Pruning
Can be used as hedging in coastal areas if pruned accordingly.
Propagation methods
Grafting, Seed
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Where to grow
Quercus ilex (Holm oak) will reach a height of 15m and a spread of 12m after 20-50 years.
Suggested uses
Architectural, Coastal, Drought Tolerant, Low Maintenance, Mediterranean
Cultivation
Plant in deep, fertile, well-drained soil.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Partial Shade, Full Shade
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
Botanical name
Quercus ilex
Other names
Holm oak, Evergreen oak, Holly-leaved oak, Holly-oak, Ilex
Genus
Quercus Quercus
Species
Q. ilex - Q. ilex is a large evergreen tree forming a dense crown of rounded leaves and inconspicuous yellow-green catkins in spring followed by characteristic acorns.
Foliage
Evergreen
Tree shape
Large, rounded crown
Awards
RHS AGM (Award of Garden Merit)
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Colour
Flower
Yellow-green in Spring
Foliage
Dark-green in All seasons
How to care
Watch out for
Specific pests
Diseases
Generally disease-free.
Specific diseases
General care
Pruning
Can be used as hedging in coastal areas if pruned accordingly.
Propagation methods
Grafting, Seed
Monthly care advice
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Where to grow
Quercus ilex (Holm oak) will reach a height of 15m and a spread of 12m after 20-50 years.
Suggested uses
Architectural, Coastal, Drought Tolerant, Low Maintenance, Mediterranean
Cultivation
Plant in deep, fertile, well-drained soil.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Partial Shade, Full Shade
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
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, Clay, Loamy, Sandy (will tolerate most soil types) | Tell us... |
| Soil drainage: | Moist but well-drained, Well-drained | Tell us... |
| Soil pH: | Acid, Alkaline, Neutral | Tell us... |
| Light: | Partial Shade, Full Shade | Tell us... |
| Aspect: | North, South, East, West | Tell us... |
| Exposure: | Exposed, Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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