Species Dahlia
Dahliamerckii

Synonym:Dahlia decaisneana

Synonym:Dahlia glabrata

Synonym:Dahlia minor

Synonym:Dahlia scapigera f. merckii

Height

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

Danger
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

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

Other details
Sun to Partial Shade
Light Shade

Propagation Methods
Parts of plant are poisonous if ingested

Seed Collecting
Pink
Red
Orange
Bright Yellow
Medium Purple
White/Near White

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

Patent Information
Herbaceous
Smooth
Textured

Section

Flower Size
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; stratify if sowing indoors

Bloom Color

Pruning
Allow seedheads to dry on plants; remove and collect seeds

Foliage Color

Bloom Characteristics

Water Requirements

Where to Grow
Bulbs
Perennials