Quercus rubra (Red Oak)

Quercus rubra (Red Oak)


red oak           

Pronunciation: KWURK-us ROO-bruh
Family: Fagaceae
Plant type: Deciduous tree
Origin: East to NE Canada, US
Zone: 5 
……..
Mature size
  Height: 22 - 30 m
  Spread: 15 - 25 m
Habit: spreading stiffly upright
Form: round
Texture: medium 
Exposure - full sun
Preferred soil - acidic
Landscape uses - specimen plant
……..
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
………
Flowers
Inflorescence type: catkin
Colour: not showy, green yellow
Size: 3 cm long x .5 cm wide diameter
Time: april
………
Fruit type: nut
Colour: brown
Time: August - October
………
Stem
Description: smooth, lightly fissured
Colour: grey, brown, white highlights
…….. 
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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