Quercus agrifolia
California live oak, Coast live oak, Encina
Quercus Quercus
Q. agrifolia - Q. agrifolia is a dense, spreading, evergreen tree with ridged, grey bark, oval, convex, spiny-toothed, glossy, dark green leaves and slender, ovoid, pointed acorns enclosed by a cap with thin, overlapping scales.
Quercus agrifolia is: Evergreen
Spreading
Ingestion may cause severe discomfort.
Yellow-green in Spring
Dark-green in All seasons
Also: Knopper gall wasps
Leaf mining moths , Aphids , Caterpillars , Oak gall wasps Leaf mining moths , Aphids , Caterpillars , Oak gall wasps
Also suffers from oak wilt in North America only.
Honey fungus , Oak galls , Oak wilt , Powdery mildew Honey fungus , Oak galls , Oak wilt , Powdery mildew
Grafting, Seed
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Quercus agrifolia (California live oak) will reach a height of 10m and a spread of 10m after 20-50 Years.
Architectural, Drought Tolerant, Low Maintenance, Specimen tree, Wildlife
Plant in deep, fertile, well-drained soil. Will tolerate lime. Tends to drop old leaves in spring. Drought tolerant within 2 years after planting. Roots are 'greedy' for water so avoid underplanting with plants needing supplemental moisture.
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Moist but well-drained, Well-drained
Acid, Alkaline, Neutral
Partial Shade, Full Shade
North, South, East, West
Exposed, Sheltered
Hardy (H4)
Quercus agrifolia
California live oak, Coast live oak, Encina
Quercus Quercus
Q. agrifolia - Q. agrifolia is a dense, spreading, evergreen tree with ridged, grey bark, oval, convex, spiny-toothed, glossy, dark green leaves and slender, ovoid, pointed acorns enclosed by a cap with thin, overlapping scales.
Evergreen
Spreading
Ingestion may cause severe discomfort.
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Yellow-green in Spring
Dark-green in All seasons
Also: Knopper gall wasps
Leaf mining moths , Aphids , Caterpillars , Oak gall wasps
Also suffers from oak wilt in North America only.
Honey fungus , Oak galls , Oak wilt , Powdery mildew
Grafting, Seed
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Quercus agrifolia (California live oak) will reach a height of 10m and a spread of 10m after 20-50 Years.
Architectural, Drought Tolerant, Low Maintenance, Specimen tree, Wildlife
Plant in deep, fertile, well-drained soil. Will tolerate lime. Tends to drop old leaves in spring. Drought tolerant within 2 years after planting. Roots are 'greedy' for water so avoid underplanting with plants needing supplemental moisture.
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Moist but well-drained, Well-drained
Acid, Alkaline, Neutral
Partial Shade, Full Shade
North, South, East, West
Exposed, Sheltered
Hardy (H4)
Zone 11, Zone 10, Zone 9, Zone 8, Zone 7
Quercus agrifolia (California live oak)
Oak jewel beetle; Oak splendour beetle; Two -spot woodborer
Agrilus biguttatus
Insect
Present (Limited)
3
5
Native beetle attracted to stressed trees and which is one of the biotic factors contributing to Acute oak decline. Good silviculture practice can help to mitigate the decline in tree health.
Quercus agrifolia (California live oak)
Acute Oak Decline
Other
Present (Limited)
3
5
Serious disorder of oaks likely to be caused by a complex of organisms. Eradication is not feasible; but good silvicultural practices could help to reduce spread and impacts.
Quercus agrifolia (California live oak)
Ramorum leaf blight; Ramorum shoot dieback; Rhododendron twig blight; Sudden oak death
Phytophthora ramorum
Oomycete
Present (Limited)
4
4
Pathogen of larch and other hosts subject to EU emergency legislation. A containment strategy is in place in the UK; reflecting its presence in wider environment/forestry settings in some areas. EU regulatory status is under review.
Our plants are under greater threat than ever before. There is increasing movement of plants and other material traded from an increasing variety of sources. This increases the chances of exotic pests arriving with imported goods and travellers, as well as by natural means. Shoot is working with Defra to help members to do their part in preventing the introduction and spread of invasive risks.
Traveling or importing plants? Please read "Don't risk it" advice here
Suspected outbreak? Click here for contact details to report to the relevant authority.
Date updated: 7th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/
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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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