Bigleaf Hydrangea, French Hydrangea, Mophead
Hydrangea macrophylla 'Decatur Blue'

Family: Hydrangeaceae (hy-drain-jee-AY-see-ee) (Info)
Genus: Hydrangea (hy-DRAIN-juh) (Info)
Species: macrophylla (mak-roh-FIL-uh) (Info)
Cultivar: Decatur Blue
» View all varieties of Hydrangeas

Height:

36-48 in. (90-120 cm)

Spacing:

36-48 in. (90-120 cm)

4-6 ft. (1.2-1.8 m)

Hardiness:

USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

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)

Sun Exposure:

Sun to Partial Shade

Danger:

Parts of plant are poisonous if ingested

Bloom Color:

Pink

Medium Blue

Bloom Time:

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Mid Fall

Foliage:

Deciduous

Other details:

Unknown - Tell us

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

7.9 to 8.5 (alkaline)

Patent Information:

Unknown - Tell us

Propagation Methods:

From herbaceous stem cuttings

From woody stem cuttings

From softwood cuttings

From semi-hardwood cuttings

From hardwood cuttings

Seed Collecting:

Unknown - Tell us

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Flowers are good for cutting

Flowers are good for drying and preserving

This plant is attractive to bees, butterflies and/or birds

Water Requirements:

Requires consistently moist soil; do not let dry out between waterings

Where to Grow:

Unknown - Tell us

Gardeners' Notes:

No details have been posted.