Austrian Pine, Black Pine, European Black Pine, Fastigiate Austrian Pine, Fastigiate Black Pine
Pinusnigra 'Arnold Sentinel'

Family: Pinaceae (py-NAY-see-ee)
Genus: Pinus (PY-nus)
Species: nigra (NY-gruh)
Cultivar: Arnold Sentinel

Category
Trees
Conifers

Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage
Evergreen
Provides Winter Interest

Foliage Color
Blue-Green

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

Spacing
6-8 ft. (1.8-2.4 m)

Hardiness
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)

Where to Grow

Danger
N/A

Bloom Color
Pale Yellow
Green

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer

Other details

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
Non-patented

Propagation Methods
From seed; direct sow after last frost

Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Seed does not store well; sow as soon as possible