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Issai Japanese Snowbell

Styrax japonicus 'Issai'

 

 
Issai Japanese Snowbell (Styrax japonicus 'Issai') at A Very Successful Garden Center

Issai Japanese Snowbell in bloom

Issai Japanese Snowbell in bloom

(Photo courtesy of NetPS Plant Finder)

Issai Japanese Snowbell (Styrax japonicus 'Issai') at A Very Successful Garden Center

Issai Japanese Snowbell flowers

Issai Japanese Snowbell flowers

(Photo courtesy of NetPS Plant Finder)

Height:  30 feet

Spread:  25 feet

Sunlight:  full sun  partial shade 

Hardiness Zone:  5

Description:

A dainty small accent tree, featuring prolific white bell-shaped flowers which hang loosely from the horizontally spreading branches in early spring, an unforgettable sight in bloom; needs moist, organic soil and some shelter, does well in part shade

Ornamental Features

Issai Japanese Snowbell features dainty lightly-scented nodding white bell-shaped flowers hanging below the branches from mid to late spring. It has forest green deciduous foliage. The pointy leaves turn an outstanding orange in the fall. The fruits are showy gray drupes displayed from late summer to late fall. The smooth khaki (brownish-green) bark adds an interesting dimension to the landscape.

Landscape Attributes

Issai Japanese Snowbell is a multi-stemmed deciduous tree with a stunning habit of growth which features almost oriental horizontally-tiered branches. Its relatively fine texture sets it apart from other landscape plants with less refined foliage.

This tree will require occasional maintenance and upkeep, and should only be pruned after flowering to avoid removing any of the current season's flowers. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

  • Invasive

Issai Japanese Snowbell is recommended for the following landscape applications;

  • Accent

Planting & Growing

Issai Japanese Snowbell will grow to be about 30 feet tall at maturity, with a spread of 25 feet. It has a low canopy with a typical clearance of 3 feet from the ground, and should not be planted underneath power lines. It grows at a medium rate, and under ideal conditions can be expected to live for 40 years or more.

This tree does best in full sun to partial shade. It requires an evenly moist well-drained soil for optimal growth. It may require supplemental watering during periods of drought or extended heat. It is very fussy about its soil conditions and must have rich, acidic soils to ensure success, and is subject to chlorosis (yellowing) of the foliage in alkaline soils. 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 selected variety of a species not originally from North America.

 
 
Hardiness Zone  Plant Height  Minimum Sunlight  Soil pH Preference 
Characteristics
Accent 
Applications
Flowers  Fruit  Fall Color  Plant Form  Bark  Winter Value 
Features & Attributes

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  • Anytown, CA 90210
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