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Threadleaf Arborvitae

Category:

Now here’s a plant you won’t find in every garden; ray-like sprays of fine-textured threaded foliage held in arching splays define this naturally dwarf garden gem; a real collector shrub that will set your garden apart from the neighbors, yet easy to grow

Characteristics

Species:
plicata
Other Species Names:
Giant Arborvitae, Western Red Cedar
Average Landscape Height:
6 feet
Average Landscape Width:
5 feet
Genus:
Thuja
Cultivar:
Filiformis
Branching:
multi-stemmed
Evergreen:
1
Plant Form:
arching
Canopy:
low
Density:
open
Growth Rate:
slow
Pruning:
only prune new growth
Summer Foliage Color:
green
Maximum Light:
full sun
Minimum Light:
partial shade
Maximum Moisture:
moist
Minimum Moisture:
average
Pollution Tolerance:
medium

Ornamental Features

Threadleaf Arborvitae is a dwarf conifer which is primarily valued in the landscape or garden for its cascading habit of growth. It has attractive green evergreen foliage. The threadlike sprays of foliage are highly ornamental and remain green throughout the winter. The shaggy antique red bark adds an interesting dimension to the landscape.

Landscape Attributes

Threadleaf Arborvitae is an open multi-stemmed evergreen shrub with a shapely form and gracefully arching branches. It lends an extremely fine and delicate texture to the landscape composition which can make it a great accent feature on this basis alone.

Planting & Growing

Threadleaf Arborvitae will grow to be about 6 feet tall at maturity, with a spread of 5 feet. It has a low canopy, and is suitable for planting under power lines. It grows at a slow rate, and under ideal conditions can be expected to live for 40 years or more.

This shrub does best in full sun to partial shade. It prefers to grow in average to moist conditions, and shouldn't be allowed to dry out. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution, and will benefit from being planted in a relatively sheltered location. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder microclimates. This is a selection of a native North American species.

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