Mountain Hydrangea
Hydrangeaserrata 'Wilson 7820'

Height

Spacing
24-36 in. (60-90 cm)

Hardiness

Sun Exposure
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)

Danger
Sun to Partial Shade

Bloom Color

Bloom Time
Lavender

Foliage
Mid Spring

Other details

Propagation Methods

Seed Collecting
From seed; direct sow outdoors in fall
From seed; sow indoors before last frost
By simple layering

Soil pH requirements

Patent Information
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds

Foliage Color

Bloom Characteristics

Water Requirements

Where to Grow