Rowan, European Mountain Ash
Sorbusaucuparia 'Cardinal Royal'

Category
Trees

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Sun to Partial Shade

Foliage
Grown for foliage
Deciduous
Smooth

Foliage Color

Height
30-40 ft. (9-12 m)

Spacing
20-30 ft. (6-9 m)

Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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)

Where to Grow

Danger
Pollen may cause allergic reaction

Bloom Color
White/Near White

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

Bloom Size

Bloom Time
Mid Spring
Late Spring/Early Summer

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information
Patent expired

Propagation Methods
From softwood cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
By grafting
By budding

Seed Collecting
Allow unblemished fruit to ripen; clean and dry seeds