Family: Hydrangeaceae (hy-drain-jee-AY-see-ee) (Info)
Genus: Hydrangea (hy-DRAIN-juh) (Info)
Species: macrophylla (mak-roh-FIL-uh) (Info)
Cultivar: Gertrude Glahn
» View all varieties of Hydrangeas  One vendor has this plant for sale.
Height:
36-48 in. (90-120 cm)
Spacing:
Unknown - Tell us
Hardiness:
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:
Rose/Mauve
Violet/Lavender
Bloom Time:
Mid Summer
Foliage:
Deciduous
Other details:
Unknown - Tell us
Soil pH requirements:
Unknown - Tell us
Patent Information:
Unknown - Tell us
Propagation Methods:
Unknown - Tell us
Seed Collecting:
Unknown - Tell us
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