Plant Library

Other Names:  Japanese Umbrella Pine, Koyamaki

Description:

One of the finest forms of this species, features a narrow conical habit and whorls of long green needles that do not discolor in winter; grows slowly and has a surreal pristine form; a beautiful focal point on the landscape

Ornamental Features

Wintergreen Umbrella Pine has attractive dark green evergreen foliage on a tree with a pyramidal habit of growth. The large glossy needles are highly ornamental and remain dark green throughout the winter. The brown fruits are held in cones in mid fall.

Landscape Attributes

Wintergreen Umbrella Pine is a dense evergreen tree with a distinctive and refined pyramidal form. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition.

This is a relatively low maintenance tree. When pruning is necessary, it is recommended to only trim back the new growth of the current season, other than to remove any dieback. It has no significant negative characteristics.

Wintergreen Umbrella Pine is recommended for the following landscape applications;

• Accent
• Vertical Accent
• Windbreaks and Shelterbelts

Planting & Growing

Wintergreen Umbrella Pine will grow to be about 30 feet tall at maturity, with a spread of 15 feet. It has a low canopy, and should not be planted underneath power lines. It grows at a slow rate, and under ideal conditions can be expected to live for 60 years or more.

This tree should only be grown in full sunlight. It does best in average to evenly moist conditions, but will not tolerate standing water. It is particular about its soil conditions, with a strong preference for rich, acidic soils. It is somewhat tolerant of urban pollution, and will benefit from being planted in a relatively sheltered location. This is a selected variety of a species not originally from North America.