Pieris 'Purity' Pieris japonica 'Purity'

☠ Toxic to humans
🐾 Toxic to pets
🌸 Blooming
🍪 Not edible
‍🌱 Hard-care
pieris 'Purity'


'Purity' is a compact, bushy, medium-sized evergreen shrub. Foliage at first pale green, becoming dark green in summer. Flowers relatively large, pure white, in erect panicles, produced freely on young plants

Plant Info
Common Problems

About this plant

  • memoNames

    • Family


    • Synonyms

      Japanese Andromeda, Japanese Pieris, Lily-of-the-Valley Bush.

    • Common names

      Pieris japonica 'Purity'.

  • infoCharacteristics

    • Life cycle


    • Foliage type


    • Color of leaves


    • Flower color


    • Height

      6 feet (1.8 meters)

    • Spread

      4 feet (1.2 meters)

    • Plant type


    • Hardiness zones


    • Native area



  • money-bagGeneral Benefits

    • Ornamental appeal: Offers year-round visual interest with pure white, bell-shaped flowers in early spring, followed by bright green foliage that matures to dark green.
    • Low maintenance: Requires minimal pruning and is relatively easy to care for, which makes it suitable for gardeners of all skill levels.
    • Drought tolerance: Once established, it can tolerate periods of drought, reducing the need for frequent watering.
    • Pest resistance: Generally resistant to pests, reducing the need for chemical treatments.
    • Disease resistance: Shows resilience against many common plant diseases, helping it stay healthy without extensive intervention.
    • Attracts wildlife: The flowers can attract pollinators such as bees, adding to the biodiversity of the garden.
    • Adaptability: Can grow in a range of soil types, although it prefers acidic, well-drained soils.
    • Uses in landscaping: Ideal for use in border plantings, mass plantings, and as a foundation plant due to its moderate size and attractive foliage and flowers.
    • Evergreen: As an evergreen shrub, it maintains its foliage throughout the year, providing constant greenery.

  • medicalMedical Properties

    This plant is not used for medical purposes.

  • windAir-purifying Qualities

    This plant is not specifically known for air purifying qualities.

  • leavesOther Uses

    • Photography Subject: Pieris japonica 'Purity', with its cascading white blooms, can be an excellent subject for photographers, particularly for practicing macro and nature photography.
    • Landscape Design: This plant can be used to create 'living walls' or privacy screens in gardens due to its dense growing habit.
    • Educational Resource: Botany students can study Pieris japonica 'Purity' to learn about plant structure, reproduction, and growth patterns as a practical example.
    • Cultural Symbolism: In certain cultures, the plant may be used in garden designs to symbolize purity and renewal, especially during springtime.
    • Fabric Dye: Though not a common dye plant, the leaves may potentially be used to create natural green dyes for fabrics in experimental crafting.
    • Artistic Inspiration: Artists may draw inspiration from the pattern and form of 'Purity’ blooming branches for paintings, drawings, and sculptures.
    • Insect Habitat: Planting Pieris japonica 'Purity' can provide a habitat for beneficial insects, including pollinators like bees and butterflies.
    • Floral Arrangements: The attractive blooms and the plant’s evergreen foliage are used in bouquets and floral arrangements, particularly in winter and early spring.
    • Meditative Gardening: Tending to or simply being around the peaceful presence of Pieris japonica 'Purity' may be incorporated into meditation and mindfulness practices in the garden.
    • Holiday Decorations: During holidays, the red young leaves and white flowers can be cut and used to create natural wreaths or other seasonal decorations.

Interesting Facts

  • bedFeng Shui

    Japanese Andromeda is not used in Feng Shui practice.

  • aquariusZodiac Sign Compitability

    Japanese Andromeda is not used in astrology practice.

  • spiralPlant Symbolism

    • New Beginnings: The delicate white flowers of Pieris japonica 'Purity', commonly known as Japanese andromeda or lily-of-the-valley bush, often symbolize renewal and the start of something fresh, reflecting its early bloom in spring.
    • Purity: True to its cultivar name 'Purity', the white blossoms represent cleanliness, innocence, and chastity, often making it a choice in bridal arrangements or for celebrations signifying new chapters in life.
    • Solitude: The plant’s preference for partial to full shade can imply a love of seclusion or the beauty found in peaceful, solitary places.
    • Caution: Japanese andromeda itself is toxic to humans and animals if ingested, which sometimes symbolizes the need for caution or serves as a reminder that beauty can be deceiving.

Every 1-2 weeks
2500 - 10000 Lux
Every 2-3 years
Early Spring
As needed
  • water dropWater

    The Japanese Andromeda 'Purity' prefers consistently moist soil but should not be waterlogged, thus it should be watered regularly, about once a week, with adjustments made for rainfall and climate conditions. During the spring and summer growing seasons, water with about one gallon per session, making sure to soak the soil thoroughly to encourage deep root growth. In the fall and winter, reduce watering frequency to account for slower soil drying and plant dormancy, aiming for one gallon every two weeks if the soil feels dry at a finger's depth.

  • sunLight

    Japanese Andromeda 'Purity' thrives best in partial shade to filtered sunlight. It should be placed in a spot where it can receive morning sunlight and afternoon shade, or dappled sunlight throughout the day. Avoid exposing the plant to direct afternoon sun, especially in hotter climates, to prevent leaf scorch.

  • thermometerTemperature

    Japanese Andromeda 'Purity' prefers cool to moderate temperatures and is hardy in zones 5 through 8. It can withstand minimum temperatures down to about -20 degrees Fahrenheit and can handle summer highs up to 90 degrees Fahrenheit. However, the ideal temperature range for this plant is between 60 and 75 degrees Fahrenheit, as extreme temperatures on either end can stress the plant.

  • scissorsPruning

    Prune Japanese Andromeda 'Purity' to maintain shape and encourage new growth primarily in the late winter or early spring before new growth begins. Thinning out crowded branches can enhance air circulation, which is beneficial for the plant's health. Deadheading spent flowers after blooming can also promote more vigorous growth and better blooms in the following season. Prune as needed to remove any dead or damaged branches.

  • broomCleaning

    As needed

  • bambooSoil

    Japanese Andromeda 'Purity' thrives in well-draining soil with high organic content; a mix of 1 part peat, 1 part pine bark, and 1 part perlite or coarse sand is ideal. The soil pH should be acidic, in the range of 4.5 to 6.0.

  • plantRepotting

    Japanese Andromeda 'Purity' should be repotted every 2-3 years or when it becomes root-bound. Early spring, just before new growth starts, is the optimal time for repotting.

  • water dropsHumidity & Misting

    Japanese Andromeda 'Purity' prefers moderate to high humidity levels; aim to maintain ambient humidity at around 50-60% for optimal growth.

  • pinSuitable locations

    • Indoor

      Place in bright, indirect light with acidic soil and water when topsoil is dry.

    • Outdoor

      Partial shade, moist acidic soil, protect from harsh sun and wind.

    • Hardiness zone

      5-8 USDA

  • circleLife cycle

    Japanese andromeda 'Purity', also known as Lily-of-the-valley bush 'Purity', begins its life cycle when a seed germinates, typically in spring, under suitable conditions of moisture and temperature. The seedling stage is marked by the emergence of the first leaves and roots as it establishes itself. As the plant transitions into the vegetative stage, it develops a woody stem and evergreen foliage, growing in height and width. The reproductive stage follows, with 'Purity' producing clusters of pure white, bell-shaped flowers in late winter to early spring, often attracting pollinators like bees and butterflies. Following pollination, the flowers may develop into small, non-ornamental capsules containing seeds, completing the cycle. Over the years, the plant can reach a mature height and spread of 4 to 6 feet, with periodic pruning helping to maintain its dense, rounded shape.

  • sproutPropogation

    • Propogation time

      Early Spring

    • Pieris japonica 'Purity', commonly known as Japanese Andromeda 'Purity', is most effectively propagated through semi-hardwood cuttings. This is typically done in late summer to early fall. To propagate by cuttings, select healthy, semi-hardwood shoots from the current year's growth and cut segments approximately 4 to 6 inches (about 10 to 15 cm) in length. Each cutting should have several leaves at the top. Remove the lower leaves and dip the cut end in rooting hormone to encourage root development. These prepared cuttings are then placed in a well-draining propagation medium, such as a mix of peat and perlite, and kept in a humid environment with indirect light until roots have developed, which usually takes several weeks. Careful monitoring of moisture and temperature is critical during this rooting period to ensure successful propagation.