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Pieris, Andromeda, Lily of the Valley Shrub 'Passion Frost'

Pieris japonica

Family: Ericaceae (er-ek-AY-see-ee) (Info)
Genus: Pieris (pee-AIR-iss) (Info)
Species: japonica (juh-PON-ih-kuh) (Info)
Cultivar: Passion Frost


Alpines and Rock Gardens


Foliage Color:


Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Flowers are fragrant

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Requires consistently moist soil; do not let dry out between waterings

Where to Grow:

Suitable for growing in containers


12-18 in. (30-45 cm)

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)


3-6 in. (7-15 cm)

6-9 in. (15-22 cm)

9-12 in. (22-30 cm)

12-15 in. (30-38 cm)

15-18 in. (38-45 cm)

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)


USDA Zone 4b: to -31.6 C (-25 F)

USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:

Full Sun

Sun to Partial Shade

Light Shade


Seed is poisonous if ingested

Parts of plant are poisonous if ingested

All parts of plant are poisonous if ingested

Bloom Color:



Bloom Time:

Late Winter/Early Spring

Mid Spring


Grown for foliage




Provides winter interest

This plant is resistant to deer

Other details:

Unknown - Tell us

Soil pH requirements:

5.1 to 5.5 (strongly acidic)

5.6 to 6.0 (acidic)

Patent Information:

Unknown - Tell us

Propagation Methods:

From softwood cuttings

From semi-hardwood cuttings

From hardwood cuttings

From seed; winter sow in vented containers, coldframe or unheated greenhouse

Seed Collecting:

Allow unblemished fruit to ripen; clean and dry seeds

Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds

Wear gloves to protect hands when handling seeds

Properly cleaned, seed can be successfully stored

Gardeners' Notes:

No details have been posted.