Heirloom Dahlia, Formal Decorative Dahlia
Dahlia 'Thomas A. Edison'

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)
USDA Zone 11: above 4.5 °C (40 °F)

Other details
Full Sun

Propagation Methods
Parts of plant are poisonous if ingested

Seed Collecting
Red
White/Near White

Soil pH requirements
Late Summer/Early Fall

Patent Information
Herbaceous
Smooth

Section

Flower Size
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From herbaceous stem cuttings

Bloom Color

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

Foliage Color

Bloom Characteristics

Water Requirements

Where to Grow
Bulbs