Rhododendron Rhododendron 'Princess Anne'

☠ Toxic to humans
🐾 Toxic to pets
🌸 Blooming
🍪 Not edible
‍🌱 Hard-care
rhododendron 'Princess Anne'


The Rhododendron 'Princess Anne' is a captivating plant renowned for its vibrant and lush appearance. It showcases an abundance of small, trumpet-shaped flowers that exhibit a soft, pastel yellow hue when they first emerge. As these blossoms mature, their color deepens into a richer shade of yellow, providing an eye-catching display against the plant's backdrop of dense, evergreen foliage. The leaves of 'Princess Anne' are a leathery texture, with a deep green color that persists throughout the year, offering a constant element of verdancy to any garden setting. Each flower cluster is composed of multiple individual blooms, creating a rounded, dome-like shape that appears nestled among the leaves. This Rhododendron variety exudes an undeniable charm, with its brilliant flowers and lush, green leaves creating an inviting and picturesque addition to any landscape.

Plant Info
Common Problems

About this plant

  • memoNames

    • Family


    • Synonyms

      Princess Anne Azalea

    • Common names

      Rhododendron 'Princess Anne'

  • skullToxicity

    • To humans

      Rhododendron 'Princess Anne', commonly referred to as Rhododendron, is toxic to humans. All parts of the plant contain substances known as grayanotoxins. If ingested, it can lead to symptoms such as a burning sensation in the mouth, excessive drooling, vomiting, diarrhea, and a decrease in blood pressure. Severe poisoning can result in coma, convulsions, and in extreme cases, death.

    • To pets

      Rhododendron 'Princess Anne', commonly known as Rhododendron, is poisonous to pets including dogs, cats, and horses. Ingestion of any part of the plant can cause symptoms like vomiting, diarrhea, drooling, weakness, and loss of appetite. More serious effects include cardiac failure, coma, and potentially death, especially if large quantities are consumed.

  • infoCharacteristics

    • Life cycle


    • Foliage type


    • Color of leaves


    • Flower color


    • Height

      2 feet [0.61 meters]

    • Spread

      2 feet [0.61 meters]

    • Plant type


    • Hardiness zones


    • Native area



  • money-bagGeneral Benefits

    • Ornamental Appeal: Rhododendron 'Princess Anne' has attractive yellow flowers and dense foliage, making it a visually appealing addition to any garden or landscape.
    • Durability: This plant is known for its hardiness and can withstand cold temperatures, making it suitable for a variety of climates.
    • Low Maintenance: Rhododendrons, including the 'Princess Anne' variety, typically require minimal upkeep once established, aside from occasional pruning and watering during dry periods.
    • Pollinator Friendly: The flowers of the Rhododendron 'Princess Anne' attract bees and other pollinating insects, which is beneficial for the health of the garden ecosystem.
    • Seasonal Interest: The Rhododendron 'Princess Anne' provides seasonal interest with its blooms in spring and evergreen foliage that offers color year-round.
    • Versatility: This plant can be used in various landscape designs, including woodland gardens, as a specimen plant, or in mass plantings.
    • Privacy: Due to its dense growing habit, Rhododendron 'Princess Anne' can be used as a natural privacy screen or hedge.
    • Soil Adaptability: While preferring well-drained acidic soils, Rhododendron 'Princess Anne' can adapt to a range of soil conditions if properly cared for.

  • 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

    • The Rhododendron 'Princess Anne' can be used in floral art and arrangements, where its vibrant blooms add a splash of color to bouquets and centerpieces.
    • Dried leaves from the Rhododendron can be used in potpourri mixtures for a subtle woody fragrance and natural texture.
    • Due to its dense growth habit, this plant can be employed in creating privacy screens or hedges in garden settings.
    • The bark and wood of the Rhododendron can be crafted into small decorative items or incorporated into woodworking projects for ornamental inclusions.
    • Bees that visit the flowers can produce honey that, while potentially toxic due to grayanotoxins, is considered a delicacy in some cultures.
    • The flowers can be used in the production of natural dyes, where they may yield an array of colors depending on the mordant used.
    • Some cultures use the flowers in traditional clothing decorations or ceremonial adornments, especially during festivals.
    • In bonsai culture, the Rhododendron 'Princess Anne' can be trained into miniature forms for aesthetic purposes in small-space gardening.
    • The thick foliage of this Rhododendron can be used as a natural backdrop in outdoor photography, providing a lush green setting.
    • Leaves from the Rhododendron can be collected and utilized as a natural mulch, which can help to retain soil moisture and suppress weeds.

Interesting Facts

  • bedFeng Shui

    The Rhododendron is not used in Feng Shui practice.

  • aquariusZodiac Sign Compitability

    The Rhododendron is not used in astrology practice.

  • spiralPlant Symbolism

    • Beware: Rhododendrons are often associated with caution due to their toxic properties, signaling that one should tread carefully.
    • Elegance and wealth: The beauty and vibrant colors of the rhododendron flowers can symbolize sophistication and prosperity.
    • Warning: Similar to 'beware', the rhododendron can be a symbol of warning to indicate that something might be dangerous or threatening.
    • Survival: Rhododendrons are hardy plants capable of thriving in challenging environments, thus they can symbolize endurance and the ability to overcome adversity.
    • Aggression: In some contexts, rhododendrons can denote aggressiveness, perhaps as a reflection of their toxic nature and imposing presence.

Every 1-2 weeks
500 - 2500 Lux
Every 2-3 years
Spring-Early Summer
As needed
  • water dropWater

    Azaleas, including the Rhododendron 'Princess Anne', require consistent moisture and should be watered when the top inch of soil feels dry to the touch. They typically need watering once or twice a week, but this can vary depending on climate and soil conditions. Provide about one gallon of water per plant for each watering session to ensure deep soil penetration, encouraging healthy root development. During hot, dry periods, you may need to water more frequently, and less often during rainy seasons. Ensure good drainage as azaleas are sensitive to over-watering which can lead to root rot.

  • sunLight

    Azaleas prefer dappled sunlight or partial shade. Rhododendron 'Princess Anne' will thrive best in a location that receives morning sunlight and afternoon shade, as this mimics the natural conditions of their native habitat. Full sun can lead to leaf scorch, while too much shade can result in poor flowering. The ideal spot for 'Princess Anne' azaleas would be under the canopy of tall trees that provide filtered sunlight.

  • thermometerTemperature

    Azaleas such as the Rhododendron 'Princess Anne' can typically tolerate a temperature range from 20°F to 80°F. However, the ideal growing temperatures are between 60°F and 70°F. They may withstand brief periods of colder temperatures down to 5°F, but prolonged exposure to extreme cold can damage the plant. To protect from frost, consider mulching and providing windbreaks.

  • scissorsPruning

    Prune azaleas to maintain shape, to remove dead or diseased wood, and to encourage bushier growth. Rhododendron 'Princess Anne' should generally be pruned just after they finish blooming in spring, as they form their flower buds during the summer for the following year. Selective thinning of branches can improve air circulation. Regular removal of dead flowers can promote healthier plants and better blooms for the next season.

  • broomCleaning

    As needed

  • bambooSoil

    Rhododendrons, including 'Princess Anne', require well-draining, acidic soil with a pH of around 4.5 to 6.0. A good soil mix consists of 50% peat moss and 50% perlite or pine bark fines. This combination provides aeration, moisture retention, and the acidity 'Princess Anne' thrives in.

  • plantRepotting

    'Princess Anne' Rhododendrons should be repotted every 2 to 3 years to refresh the soil and encourage healthy root growth. It is best done in late winter or early spring, just before the growing season begins.

  • water dropsHumidity & Misting

    Rhododendron 'Princess Anne' prefers moderate to high humidity levels, ideally between 40% to 60%. Ensure good air circulation around the plant to prevent fungal diseases which can thrive in high humidity environments.

  • pinSuitable locations

    • Indoor

      Provide bright, indirect light and ensure high humidity.

    • Outdoor

      Plant in partial shade with acidic, well-draining soil.

    • Hardiness zone

      6-8 USDA

  • circleLife cycle

    The life of the Princess Anne rhododendron begins as a seed, typically sown in a well-draining, acidic soil medium. It then germinates, often requiring stratification or a period of cold to break dormancy. As a seedling, it spends its first few years developing a strong root system and foliage, growing slowly compared to other plants. Upon reaching maturity, which can take several years, it begins its flowering stage in the spring, presenting clusters of yellow flowers that attract pollinators. After pollination, it produces seed capsules, which upon maturing, release seeds to begin a new life cycle. The plant then enters a period of dormancy in the winter, allowing it to conserve energy for the next growing season.

  • sproutPropogation

    • Propogation time

      Spring-Early Summer

    • The Rhododendron 'Princess Anne' is typically propagated by semi-hardwood cuttings taken during the late summer. For this method, a cutting of about 4 to 6 inches (10 to 15 centimeters) in length is taken from the current year's growth. The leaves on the lower half of the cutting are removed, and the cut end is dipped into a rooting hormone to encourage root development. The prepared cutting is then placed in a mix of peat and perlite or a coarse sand medium to root. It is important to maintain high humidity around the cutting by covering it with a plastic bag or using a mist system. Roots usually develop within several weeks to a few months, after which the new plants can be potted up individually.