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QUERCUS robur 'Dissecta'

Image of Quercus robur 'Dissecta'

Jesse Saylor

Family

Fagaceae

Botanical Name

QUERCUS robur 'Dissecta'

Plant Common Name

English Oak, Fernleaf English Oak

Special Notice

This entry has yet to be reviewed and approved by L2G editors.

General Description

A rounded canopy, oval acorns and deeply lobed, frilly leaves set 'Dissecta' apart from other English oak selections. A deciduous tree native to Europe and western Asia, it has bark that is ridged and furrowed, rich brown to gray-black in color. The leaves are oval but look shredded or eaten by caterpillars, as only long and narrow lobes exist. As the leave emerge, the pendent male flower spikes, called catkins, line the ends of branches. Soon after the pollen shedding ends, the small female blossoms open at the bases of new leaves on young twigs. Once pollinated, the female flowers develop into oblong oval fruits called acorns, singly or in clusters up to five. The leaves in autumn are held quite late on the branches, and rarely create any display of impressive color. Large birds, such as ducks, crows and quail, will use the acorns as food, as well as many rodents and small mammals.

Plant fernleaf English oak in a fertile, moist, well-drained soil for most robust growth. It prospers in sunny locations. Amazingly, this species is very tolerant of both dry and very alkaline soils, too. It is best suited for large lawns or meadows. In severe winters there is often significant twig dieback and mildew frequently affects the foliage during the growing season in regions with warm, humid summers.

Characteristics

  • AHS Heat Zone

    8 - 3

  • USDA Hardiness Zone

    3 - 8

  • Sunset Zone

    A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21

  • Plant Type

    Tree

  • Sun Exposure

    Full Sun, Partial Sun

  • Height

    50'-90' / 15.2m - 27.4m

  • Width

    50'-75' / 15.2m - 22.9m

  • Bloom Time

    Late Spring

  • Native To

    Europe, Eastern Europe, Northern Europe, Southern Europe, Western Europe, Russia/Siberia, Northern Africa, Western Asia

Growing Conditions

  • Soil pH

    Acidic, Neutral, Alkaline

  • Soil Drainage

    Average

  • Soil type

    Clay, Loam, Sand

  • Tolerances

    Pollution, Drought

  • Growth Rate

    Slow

  • Water Requirements

    Drought Tolerant, Average Water

  • Habit

    Oval/Rounded

  • Seasonal Interest

    Spring, Summer, Fall

Ornamental Features

  • Flower Interest

    Insignificant

  • Flower Color

    Red, Light Green

  • Fruit Color

    Brown

  • Foliage Color (Spring)

    Green, Light Green

  • Foliage Color (Summer)

    Dark Green

  • Foliage Color (Fall)

    Yellow, Brown

  • Bark Color

    Brown, Chocolate

  • Fragrant Flowers

    No

  • Fragrant Fruit

    No

  • Fragrant Foliage

    No

  • Bark or Stem Fragrant

    No

  • Repeat Bloomer

    No

  • Showy Fruit

    Yes

  • Edible Fruit

    No

  • Showy Foliage

    Yes

  • Foliage Texture

    Fine

  • Foliage Sheen

    Glossy

  • Evergreen

    No

  • Showy Bark

    Yes

Special Characteristics

  • Bark Texture

    Corky

  • Usage

    Feature Plant, Shade Trees

  • Sharp or Has Thorns

    No

  • Invasive

    No

  • Attracts

    Birds

  • Self-Sowing

    Yes