Quercus coccifera

RHS Plant Profile
Kermes oak

Other common names

grain oak

Shrubs Trees

A very slow-growing, dense, bushy, evergreen shrub to 5m tall and wide or rarely a small tree with smooth grey bark that cracks with age. Glossy, dark green holly-like leaves with spiny margins are 3-5cm long. Insignificant yellow-green spring flowers may be followed by solitary, spherical to ovoid acorns carried in spiny cups

Position

Full sun

Soil Types

Loam, Sand, Chalk

Max Height

4-8 metres

Max Spread

4-8 metres

Size

Time to Maturity
more than 50 years
Max Spread
4-8 metres
Max Height
4-8 metres

Growing Conditions

Loam Sand Chalk
Moisture
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered
Hardiness
H5
Drought Resistance
Yes

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Fagaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Potentially harmful
Pets (dogs): Harmful if eaten - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus
Quercus can be deciduous or evergreen trees or shrubs, with entire, lobed or toothed leaves; flowers inconspicuous, followed by characteristic acorns; sometimes good autumn colour
Name Status
Correct
Plant Range
E Mediterranean, SW Asia

How to Grow

Cultivation

Grow in well-drained soil in full sun; tolerates dry soils and drought conditions. See tree cultivation for further advice

Propagation

Propagate by sowing seed soon after it drops or by semi-ripe cuttings in late summer

Suggested planting locations and garden types

  • Coastal
  • Mediterranean climate plants
  • Low Maintenance
  • Banks and slopes
  • Hedging and screens

Pruning

Pruning group 1

Pests

May be susceptible to oak processionary moth, aphids, caterpillars, leaf-mining moths and oak gall wasps

Diseases

May be susceptible to powdery mildews and honey fungus