Kermes oak is a slow-growing, evergreen Mediterranean native that brings architectural interest and resilience to temperate gardens. Hardy in zones 6 through 8, this scrubby oak typically reaches 6 to 12 feet tall, though it can occasionally stretch to 20 feet, and grows equally wide. Its small, glossy, dark green leaves with spiny margins resemble miniature holly leaves and remain on the plant year-round, while insignificant spring flowers give way to showy acorns that wildlife finds irresistible. Native to the Mediterranean basin from Portugal and Spain eastward to Turkey and parts of North Africa, this species thrives in full sun to partial shade and asks little once established.
Partial Sun
Moderate
6-8
144in H x 144in W
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Moderate
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Small, spiny-margined leaves that stay glossy and dark green all year create fine texture and evergreen structure in the landscape. The tree's naturally bushy form and low maintenance needs make it an excellent choice for hedgerow plantings and Mediterranean-inspired gardens. It tolerates poor soils and moderate drought once rooted, and carries no serious insect or disease problems, asking only for rich, moist, well-drained loam and plenty of sunlight to perform at its best.
Kermes oak serves primarily as a hedging plant and structural element in Mediterranean and temperate gardens. Its naturally dense, bushy habit and evergreen foliage make it excellent for creating living screens and windbreaks. The showy acorns attract wildlife, supporting birds and small mammals.
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Kermes oak's naturally bushy, dense form requires minimal pruning. When used as a hedge, prune in late spring after new growth hardens to maintain shape and encourage branching. Remove any dead, diseased, or crossing branches as needed. Avoid heavy pruning; this slow-growing tree responds better to light, frequent trimming than to severe cuts.
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“Kermes oak is native to the Mediterranean region, distributed across Portugal, Spain, Turkey, and parts of North Africa including Libya and Morocco. Its range and persistence across this vast, climatically diverse zone speaks to its adaptability. The tree's common name references the kermes scale insect, historically cultivated on this oak species as a source of crimson dye. For centuries, Mediterranean peoples have recognized this species' value as a hardy, low-maintenance woody plant suited to harsh conditions and rocky terrain.”