Upright English Oak Quercus robur 'Fastigiata'
Other Common Name(s):
- Phonetic Spelling
- KWER-kus ROH-bur fas-tij-ee-AY-tuh
- This plant has low severity poison characteristics.
- See below
- Description
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‘Fastigiata’ or Upright English Oak is an upright, columnar, deciduous tree that matures into a dense elongated oval shape with a short trunk and makes a striking landscape specimen. It is susceptible to powdery mildew in humid areas and planting in full sun with adequate airflow helps decrease this problem. The cultivar 'Attention' is more resistant and is also columnar.
Plant in full sun in well-drained acidic or slightly alkaline soil. This tree is tolerant of salt, drought and urban conditions. Use as a hedge or as a specimen in small areas where wide branching is a concern. Propagation is from seed but doesn't always grow true.
It is a host plant for the larvae of the Imperial moth (Eacles imperialis), as well as numerous butterflies, including Banded hairstreak (Satyrium calanus), Edward's hairstreak (Satyrium edwardsii), Gray hairstreak (Strymon melinus), White-m hairstreak (Parrhasius malbum), Horace's duskywing (Erynnis horatius), and Juvenalis duskywing (Erynnis juvenalis).
- See this plant in the following landscape:
- Cultivars / Varieties:
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- Tags:
- Cultivars / Varieties:
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- Tags:
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Attributes:
- Genus:
- Quercus
- Species:
- robur
- Family:
- Fagaceae
- Life Cycle:
- Perennial
- Woody
- Recommended Propagation Strategy:
- Seed
- Country Or Region Of Origin:
- Europe
- Wildlife Value:
- Mildly resistant to deer damage. Acorns eaten by many birds and mammals.
- Edibility:
- Acorns are edible once the tannins have been leached or boiled out
- Dimensions:
- Height: 50 ft. 0 in. - 60 ft. 0 in.
- Width: 10 ft. 0 in. - 20 ft. 0 in.
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Whole Plant Traits:
- Plant Type:
- Poisonous
- Tree
- Woody Plant Leaf Characteristics:
- Deciduous
- Habit/Form:
- Columnar
- Erect
- Growth Rate:
- Medium
- Maintenance:
- Medium
- Texture:
- Medium
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Cultural Conditions:
- Light:
- Full sun (6 or more hours of direct sunlight a day)
- Soil Texture:
- Clay
- Loam (Silt)
- Sand
- Soil pH:
- Acid (<6.0)
- Alkaline (>8.0)
- Neutral (6.0-8.0)
- Soil Drainage:
- Good Drainage
- Available Space To Plant:
- 12-24 feet
- NC Region:
- Coastal
- Mountains
- Piedmont
- USDA Plant Hardiness Zone:
- 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b
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Fruit:
- Fruit Color:
- Brown/Copper
- Display/Harvest Time:
- Fall
- Fruit Type:
- Nut
- Fruit Length:
- 1-3 inches
- Fruit Description:
- 1-3 in. brown oval acorn
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Flowers:
- Flower Color:
- Brown/Copper
- Gold/Yellow
- Flower Inflorescence:
- Catkin
- Insignificant
- Flower Bloom Time:
- Spring
- Flower Description:
- Male and female flowers are on the same tree. Male pollen flowers in long catkins.
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Leaves:
- Woody Plant Leaf Characteristics:
- Deciduous
- Leaf Color:
- Blue
- Green
- Leaf Value To Gardener:
- Long-lasting
- Showy
- Deciduous Leaf Fall Color:
- Brown/Copper
- Leaf Type:
- Simple
- Leaf Arrangement:
- Alternate
- Leaf Shape:
- Oblong
- Obovate
- Leaf Margin:
- Lobed
- Hairs Present:
- No
- Leaf Length:
- > 6 inches
- Leaf Width:
- 3-6 inches
- Leaf Description:
- Short-stalked, dark green leaves are 4-8 inches long and 2-4 inches wide. Margins have 3–7 blunt lobes per side and are blue-green beneath. Leaves persist into winter. Fall color is copper.
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Bark:
- Bark Color:
- Dark Brown
- Surface/Attachment:
- Ridges
- Bark Description:
- The dark brown bark is deeply ridged and furrowed on mature trees
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Stem:
- Stem Is Aromatic:
- No
- Stem Description:
- Current years twigs are reddish-brown
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Landscape:
- Landscape Location:
- Lawn
- Patio
- Small Space
- Walkways
- Landscape Theme:
- Cottage Garden
- English Garden
- Pollinator Garden
- Winter Garden
- Design Feature:
- Mass Planting
- Screen/Privacy
- Small groups
- Specimen
- Street Tree
- Attracts:
- Butterflies
- Moths
- Small Mammals
- Songbirds
- Resistance To Challenges:
- Deer
- Drought
- Pollution
- Salt
- Problems:
- Problem for Horses
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Poisonous to Humans:
- Poison Severity:
- Low
- Poison Symptoms:
- Stomach pain, constipation and later bloody diarrhea, excessive thirst and urination if young leaves or raw acorns eaten.
- Poison Toxic Principle:
- Gallotannins, quercitrin, and quercitin.
- Causes Contact Dermatitis:
- No
- Poison Part:
- Fruits
- Leaves
