Scientific Name:
Buddleja
(hybrid cvs.)
Pronunciation:
BUD-lee-uh
Common Name:
hybrid butterfly bush
Family Name:
Scrophulariaceae
Plant Type:
Shrub - deciduous
Key ID Features:
Most hybrids are bred to be shorter than the species with pubescent and angular (4-8 sided) new growth; leaves opposite, petioles about 1cm long, most blades lanceolate, 7-15cm x 3-5cm wide, green/grey-green on top, white below and pubescent; inflorescence panicle-like (thryse), large, dense, purple, persistent.
Habit:
Arching, Upright
Form:
Vase
Texture:
Medium
Mature Height:
0.7 - 1.3m
Mature Spread:
1.5 - 2.0m
Growth Rate:
Fast
Origin:
Garden origin
Hardiness Rating:
Zone 5: (-29 to -23 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Well-drained
Water Use:
Moderate, Summer dry
Landscape Uses:
Attract butterflies, Erosion control, Fragrance, Summer interest
Additional Info:
Google. Cultivar on campus: B. 'Blue Chip'.
Leaf Morphology:
Form:
Simple
Arrangement:
Opposite
Texture/Venation:
Soft flexible, Pinnate venation
Surfaces:
Tomentose
Colour in Summer:
Green, Dark-green
Colour in Fall:
Yellow, Brown
Shapes:
Lanceolate
Apices:
Acuminate
Bases:
Acute
Margins:
Serrulate
Inflorescence Type:
Thyrse, Floriferous, Panicle-like
Flower Morphology:
Flowers perfect
Number Of Petals:
4
Corolla Shape:
Salverform
Ovary Position:
Superior
Colour (petals):
Showy, White, Orange, Blue, Violet, Purple, Pink
Flower Scent:
Fragrant, Sweet
Flower Time at Peak:
Jun, Jul, Aug, Sep
Fruit Type:
Capsule, Aborted (hybrids) or absent
Fruit Colour:
Brown
Fruiting Time:
Sep, Oct, Nov
Additional Info:
Fruit insignificant
Bark Morphology:
Exfoliating, Stringy, Moderately fissured, Multi-stem trunk
Bark or Stem Colour:
Yellow, Brown
Organ Modifications:
Fibrous-like roots
Propagation:
Softwood cuttings, Hardwood cuttings, Layering
Other:
cut back in fall
Pest Susceptibility:
(Pest resistant, Disease resistant, Deer resistant, Rabbit resistant, Drought tolerant)
