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shrub

Passion Frost Japanese Pieris

Pieris japonica 'Ralto'

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Passion Frost Japanese Pieris (Pieris japonica 'Ralto') at Snavely's Garden Corner

Passion Frost Japanese Pieris flowers

Passion Frost Japanese Pieris flowers

(Photo courtesy of NetPS Plant Finder)

Height:  5 feet

Spread:  3 feet

Sunlight:  full sun  partial shade 

Hardiness Zone:  5a

Other Names:  Lily of the Valley Shrub, Japanese Andromeda

Group/Class:  Passion Party

Description:

A highly ornamental broadleaf evergreen shrub, prized for its showy chains of purplish-red bell-shaped flowers and cream-yellow edged foliage, a dense and compact variety; performs best in moist, organic and acidic soils

Ornamental Features

Passion Frost Japanese Pieris features dainty chains of indian red bell-shaped flowers hanging below the branches in early spring. It has attractive dark green foliage edged in buttery yellow. The glossy narrow leaves are highly ornamental and remain dark green throughout the winter. The fruit is not ornamentally significant.

Landscape Attributes

Passion Frost Japanese Pieris is a dense multi-stemmed evergreen shrub with an upright spreading habit of growth. 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 shrub will require occasional maintenance and upkeep, and should only be pruned after flowering to avoid removing any of the current season's flowers. Deer don't particularly care for this plant and will usually leave it alone in favor of tastier treats. It has no significant negative characteristics.

Passion Frost Japanese Pieris is recommended for the following landscape applications;

  • Accent
  • Mass Planting
  • Hedges/Screening
  • General Garden Use

Planting & Growing

Passion Frost Japanese Pieris will grow to be about 5 feet tall at maturity, with a spread of 3 feet. It tends to fill out right to the ground and therefore doesn't necessarily require facer plants in front, 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 requires an evenly moist well-drained soil for optimal growth, but will die in standing water. 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 leaves 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, and parts of it are known to be toxic to humans and animals, so care should be exercised in planting it around children and pets.

 
 
Hardiness Zone Plant Height Minimum Sunlight Soil pH Preference
Characteristics
Accent  Massing  Screening  Garden 
Applications
Flowers  Foliage Color 
Ornamental Features

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