Details of...
Scientific Name: Berberis thunbergii var. atropurpurea
Pronunciation: BUR-bur-iss THOON-burg-ee-eye variety at-roe-pur-PUR-ee-uh
Common Name: red leaf Japanese barberry
Family Name: Berberidaceae
Plant Type: Shrub - deciduous
Key ID Features: Deciduous barberry with dark maroon simple ovate, entire leaves to 2 cm long. Winter ID: unbranched spiny stipules.
Course(s): HORT 1155

Habit: Dense, Spreading
Form: Round
Texture: Medium - fine
Mature Size:
Height:1.3 - 2.0m
Spread:1.5 - 2.0m
Growth Rate:Fast
Origin: Garden origin (Japan)
Hardiness Rating: Zone 4: (-34 to -29 C)
Exposure: Full sun only if soil kept moist, Part sun/part shade
Soil/ Growing Medium: Rocky or gravelly or dry
Landscape Uses: Accent plant, Container planting, Group or mass planting, Hedge row, Security/barrier
Additional Info: Google. Cultivars shown or on campus may include B. 'Crimson Velvet', B. 'Golden Ring' (or B. 'Cherry Bomb'?), and B. 'Concorde' (a petite barberry with deep maroon-purple foliage that becomes even more intense during fall. Small yellow flowers may be followed by a few bright red berries). This variety produces little to no viable seed, making it a great alternative over others. Perfect size for edging as a small hedge or for containers.
red leaf Japanese barberry
Leaf Morphology: Glossary
Form: Simple
Arrangement: Alternate
Texture/ Venation: Leathery, Pinnate venation
Surfaces: Glabrous
Colour in Fall: Red
Leaf(let) Terms:
Shapes: Obovate, Spatulate
Apices: Obtuse, Rounded
Bases: Cuneate
Margins: Entire
Additional Info: Borne in alternate clusters along branches

Inflorescence Type: Corymb-like, Raceme
Flower Morphology:Flowers perfect
Number of Petals:6
Corolla Shape:Campanulate
Ovary Position:Superior
Colour (petals): Yellow, Red
Flower Time at Peak: May, Jun
Additional Info: The 6 sepals are (in part) dark red; 2 to 5 florets; umbel-like

Fruit Type: Berry (true)
Fruit Colour: Red
Fruiting Time: Sep, Oct

Bark Morphology: Multi-stem trunk
Bark or Stem Colour:
Organ Modifications: Stipule, pointy spines

Pest Susceptibility: Drought resistant
(BKW) Boulevard Kwantlen Way : cv. Golden Ring or B. Cherry Bomb (?)
(CGW) Community Garden West : cv. Crimson Violet (?)
(ONE) Overpass North side East : cv. Concorde - q.10+
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