Buddleja, Butterfly Bush, Summer Lilac
Buddleja 'Blue Chip'

Family: Scrophulariaceae (skrof-yoo-larr-ee-AY-see-ee)
Genus: Buddleja (BUD-lee-uh)
Cultivar: Blue Chip

Category
Perennials
Shrubs

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage
Deciduous
This plant is resistant to deer
Succulent

Foliage Color
Blue-Green

Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Spacing
15-18 in. (38-45 cm)

Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Where to Grow
Can be grown as an annual

Danger
N/A

Bloom Color
Dark Blue
Medium Purple

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information
Patented

Propagation Methods
From herbaceous stem cuttings
From softwood cuttings
By simple layering

Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed