Species Austrian pine

Austrian pine

Pinus nigra

Also Known As - black pine
The Austrian pine (Pinus nigra) is an evergreen conifer that grows to an average height of 66-98 feet tall. Its needles are 4-7 inches long with dark green coloring on the outside, and silver-blue on the underside. Its cones are oval shaped and measure 4-6 inches long. This pine is native to southeastern Europe and is widely planted in parks and other public spaces as an ornamental. Its bark ranges from gray to black, with deep slits and thick ridges that give it a rough texture. It's strong and durable, making it an ideal species for windbreaks or for providing shade. Austrian pines are also tolerant of wind, cold, and dry conditions, making them a versatile and hardy choice for many landscapes.

Cycle:

Perennial

Watering:

Average

Propagation:

Seed Propagation

Hardiness Zone:

4 - 7

Flowers:

Non-flowering Flowers

Sun:

Full sun

Soil:

Well-drained

Cones:

Yes

Leaf:

Yes

Leaf Color:

green,black

Growth Rate:

Low

Maintenance:

Moderate

Drought Tolerant:

Yes

Salt Tolerant:

Yes

Invasive:

Yes

Care Level:

Medium

watering

Austrian pine (Pinus nigra) needs to be watered once every 5-7 days. During the spring and summer, it should be watered more deeply and more frequently, about once a week or so. During the fall and winter, water only when the soil begins to dry out. It is important to keep the soil evenly moist, but not waterlogged. Avoid wetting the needles of the pine tree, as it can cause fungus growth. Generally, a slow and thorough watering is best for Austrian pines; about 1-1.5 inches of water per week is recommended.

sunlight

Austrian Pine (Pinus nigra) requires full sun with 6-8 hours of direct sunlight daily. This coniferous evergreen prefers these sun exposures for optimal growth and health. Austrian Pines have a medium to fast growth rate and should be planted in a spot with well-draining soil. Avoid planting this species in low-lying areas as they do not tolerate wet soils. As this species has a tight foliage density, it is highly effective when planted as a windbreak or privacy hedge.

pruning

Austrian pine should be pruned in early spring (March or April) to shape and thin out the interior foliage. This evergreen coniferous tree typically requires very light annual pruning, typically no more than 10-15% of its overall foliage. The main goals of pruning Austrian pines are to reduce excessive foliage, create an aesthetically pleasing shape, and to avoid overcrowding of the canopies. Before pruning, individual branches should be evaluated to determine if they are diseased, broken, dead, or weakly attached. These should be cut back to healthy wood. When cutting back individual branches, the tips should be pruned in a slight angle in order to prevent water from collecting on the cut surface, which could attract fungi or pests. Furthermore, the depth of pruning cuts should be limited to no more than 1/3 of a branch's diameter in order to avoid damaging the tree's overall health.

Season

Fall
Winter
Spring
Summer
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Starts Flowering

Austrian pine typically starts flowering in April.

Hardiness Map