Long-spiked Butterfly Bush
Buddlejamacrostachya

Family: Scrophulariaceae (skrof-yoo-larr-ee-AY-see-ee)
Genus: Buddleja (BUD-lee-uh)
Species: macrostachya (mak-ro-STAK-yuh)

Synonym:Buddleja cylindrostachya

Synonym:Buddleja hookeri

Category
Shrubs

Water Requirements

Sun Exposure
Full Sun

Foliage
Grown for foliage
Deciduous
Succulent

Foliage Color
Medium Green

Height
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)

Spacing
8-10 ft. (2.4-3 m)

Hardiness
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

Danger

Bloom Color
Blue-Violet

Bloom Characteristics

Bloom Size

Bloom Time

Other details

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

Patent Information
Non-patented

Propagation Methods
From semi-hardwood cuttings

Seed Collecting