Quercus rubra (Red Oak)
Quercus rubra (Red Oak)
Pronunciation: KWURK-us ROO-bruh
Family: Fagaceae
Plant type: Deciduous tree
Origin: East to NE Canada, US
Zone: 5
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Mature size
Spread: 15 - 25 m
Habit: spreading stiffly upright
Form: round
Texture: medium
Exposure - full sun
Preferred soil - acidic
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Leaves
Arrangement: lobed, simple
Shape: elliptic, ovate
Size:
Margin: cleft (parted)
Characteristics: pinnate venation, soft flexible, glabrous, pointed lobes, dark red buds at terminal (winter),
Colour: green, yellow red fall colour
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Flowers
Inflorescence type: catkin
Colour: not showy, green yellow
Size: 3 cm long x .5 cm wide diameter
Time: april
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Fruit type: nut
Colour: brown
Time: August - October
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Stem
Description: smooth, lightly fissured
Colour: grey, brown, white highlights
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Propagation - seed
Comments - branches upright with a 45* angle, moderate watering required
Pests - Anthracnose, galls, heart rot, root rot, scale, rust, stem borers, wilt
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