Quercus cerris 'Curly Head'

Trees Shrubs

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A slow-growing tree to around 3m which has a very restricted form. Its leaves are shiny dark green on the upper surface and downy grey-cream beneath and are frilly-looking. In the autumn they turn yellowy brown before completely brown. However, instead of falling, they remain on the tree all winter, making it a possible choice for an informal hedge. In the spring there are yellow male catkins but they do not become acorns

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

2.5-4 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity: 5–10 years
Max Spread: 1.5-2.5 metres
Max Height: 2.5-4 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained or Poorly–drained
pH: Alkaline or Neutral

Position

Full sun

Aspect: East–facing or North–facing or South–facing or West–facing
Exposure: Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H6

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Fagaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy, Spreading branched
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: Accepted

How to Grow

Cultivation

Grow in any well-drained but moisture-retentive soil in good light

Propagation

Propagate by grafting

Suggested planting locations and garden types

City and courtyard gardens
Flower borders and beds
Hedging and screens

Pruning

pruning group 1, though if a grafted tree, any suckers from beneath the graft point, should be removed as soon as possible

Pests

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

Diseases

May be susceptible to Powdery mildews