Informal Decorative Dahlia
Dahlia 'Blue Boy'

Height

Spacing
36-48 in. (90-120 cm)

Danger
18-24 in. (45-60 cm)

Foliage
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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)

Other details
Full Sun

Propagation Methods

Seed Collecting
Lavender
Medium Purple

Soil pH requirements
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Patent Information
Herbaceous
Smooth

Section

Flower Size
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Bloom Color

Pruning

Foliage Color

Bloom Characteristics

Water Requirements

Where to Grow
Bulbs