Azalea Rhododendron 'Countess of Haddington'

☠ Toxic to humans
🐾 Toxic to pets
🌸 Blooming
🍪 Not edible
‍🌱 Hard-care
rhododendron 'Countess of Haddington'


The Rhododendron 'Countess of Haddington' is an eye-catching, evergreen shrub that boasts a lush appearance, characterized by its dark green, glossy leaves which make a stunning backdrop to its flowers. The leaves are oblong with a smooth texture, curving gently downwards at the edges. This plant is particularly admired for its spectacular blooms, which are large and showy, making it a focal point in any garden during flowering season. The flowers of this Rhododendron variety are a soft, pastel pink, often described as pale or shell pink. Each bloom consists of funnel-shaped flowers, which are clustered together to form a rounded truss. The petals of this plant are delicately textured with a slight ruffle at the edges, and may have a subtle hint of green marking at the base. The blooms give off a delightful fragrance that adds an extra dimension of pleasure when the plant is in full bloom. Upon closer inspection, the throat of each flower is often speckled with freckles, adding detail and depth to their appearance. When in bloom, the Rhododendron 'Countess of Haddington' becomes a magnet for pollinators, with bees and butterflies being drawn to its nectar-rich flowers. Overall, the Rhododendron 'Countess of Haddington' presents a classic, romantic allure with its pastel-hued, fragrant flowers offset by rich green foliage. It is an outstanding example of its kind, cherished for its ornamental qualities and ability to bring a touch of elegance to the landscape.

Plant Info
Common Problems

About this plant

  • memoNames

    • Family


    • Synonyms

      Haddington Rhododendron

    • Common names

      Rhododendron 'Countess of Haddington'.

  • skullToxicity

    • To humans

      Rhododendrons, including the Rhododendron 'Countess of Haddington', contain toxic compounds called grayanotoxins which are present in all parts of the plant. If ingested, these toxins can cause a variety of symptoms such as vomiting, diarrhea, hypersalivation, weakness, and cardiac problems. In severe cases, ingestion can lead to coma or even death if not treated promptly.

    • To pets

      Rhododendrons are also toxic to pets, including the Rhododendron 'Countess of Haddington'. Symptoms of rhododendron poisoning in pets are similar to those in humans and can include vomiting, diarrhea, drooling, weakness, and potentially life-threatening changes in heart rate and blood pressure. Without prompt veterinary treatment, severe poisoning can be fatal.

  • infoCharacteristics

    • Life cycle


    • Foliage type


    • Color of leaves


    • Flower color


    • Height

      6 feet (1.8 meters)

    • Spread

      6 feet (1.8 meters)

    • Plant type


    • Hardiness zones


    • Native area



  • money-bagGeneral Benefits

    • Ornamental Beauty: Adds aesthetic appeal to gardens with its striking blossoms and lush greenery.
    • Attracts Wildlife: Draws in pollinators like bees and butterflies, which are vital for a healthy ecosystem.
    • Shade Provider: Mature shrubs offer shade, creating cooler areas in gardens and landscapes.
    • Privacy Screen: Can be used as a natural screen for privacy and noise reduction when planted in groups.
    • Seasonal Interest: Offers year-round interest with evergreen leaves and seasonal blossoms.
    • Variety of Uses: Versatile in landscaping, used in borders, as specimen plants, or in woodland gardens.
    • Soil Erosion Control: Helps to stabilize soil and prevent erosion on slopes or banks.

  • 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

    • Rhododendron honey can be produced when bees primarily collect nectar from these flowers, which can have unique qualities depending on the specific Rhododendron species.
    • The wood of the Rhododendron is often used in small woodworking projects, such as crafting bowls or handles, due to its hardness and fine grain.
    • In some cultures, Rhododendron leaves are used in the preparation of traditional herbal steam baths for their aromatic properties.
    • The flowers are sometimes used in the craft industry for making natural dyes that provide a range of colors from yellow to pink.
    • Rhododendron is used in landscape design to create "living walls" which can function as privacy screens or windbreaks in gardens.
    • The plant's ability to grow in acidic soils can be utilized for reclamation of land areas where soil conditions are not favorable for many other plants.
    • The fibrous roots of Rhododendron can help with soil erosion control by stabilizing slopes and banks in hilly or mountainous regions.
    • In some regions, Rhododendron flowers are used as a natural pesticide, where the toxicity of the leaves can deter certain insects and pests.
    • Due to the range of colorful blooms, these plants are often used in cut flower arrangements and can be a source of decoration at various events.
    • Some Rhododendron species are cultivated for bonsai, valued for their beautiful flowers and the plant's ability to be trained into miniature trees.

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: The Rhododendron is often associated with caution or danger due to the fact that many species of this genus are toxic when ingested. This symbolic meaning may serve as a warning or a sign to proceed with care.
    • Elegance and wealth: The Rhododendron 'Countess of Haddington', with its stunning flowers and association with nobility through its name, can symbolize sophistication, elegance, and wealth, reflecting its refined and luxurious appearance.
    • Abundance and prosperity: Given its lush, full blossoms and growth, Rhododendrons can represent abundance and prosperity, symbolizing growth and the flourishing of something valued or desired.
    • Passion: These plants, with their vibrant colors and bold presence, can mean passion, whether in the context of love or one's endeavors, signifying intense feelings and enthusiasm.
    • Survival: Rhododendrons are known for their hardiness and ability to thrive in various conditions. They symbolize the spirit of survival and overcoming challenges, indicating resilience and adaptability.

Every 7-10 days
500 - 2500 Lux
Every 2-3 years
Spring-Early Summer
As needed
  • water dropWater

    Rhododendrons require even moisture and should be watered thoroughly once a week during active growth seasons, spring and summer. In hot climates or during dry spells, watering frequency should increase to twice a week. Provide about 1 inch of water each time which translates to around 0.623 gallons per square foot. Ensure that the soil is well-draining to prevent waterlogging. During the winter, reduce watering but do not allow the soil to completely dry out.

  • sunLight

    Rhododendrons flourish in dappled sunlight or partial shade. They should be planted in a location that receives morning sunlight and is protected from the intense midday sun. An ideal spot would be under the canopy of tall trees that provide filtered light. Avoid deep shade as it can result in poor flowering.

  • thermometerTemperature

    Rhododendrons do best in temperate climates and can generally handle temperatures as low as 20 degrees Fahrenheit and as high as 80 degrees Fahrenheit. They thrive in a temperature range between 65 to 75 degrees Fahrenheit. Avoid extreme temperature fluctuations and protect the plants from harsh winter winds.

  • scissorsPruning

    Pruning Rhododendrons is primarily done to shape the plant and remove any dead or diseased wood. It should be done immediately after flowering to avoid cutting off next year's buds. Pruning once a year is sufficient, ideally in late spring. Always use sharp, sterilized pruning tools to make clean cuts without harming the plant.

  • broomCleaning

    As needed

  • bambooSoil

    Rhododendrons, such as the 'Countess of Haddington', thrive in acidic, well-drained soil with a pH between 4.5 and 6.0. A soil mix consisting of 50% peat moss, 30% pine bark, and 20% perlite or coarse sand promotes good drainage and aeration.

  • plantRepotting

    Rhododendrons like 'Countess of Haddington' typically require repotting every 2 to 3 years, or when the plant outgrows its pot. Best repot in spring or early fall to minimize stress on the plant.

  • water dropsHumidity & Misting

    The 'Countess of Haddington' rhododendron prefers a moderate to high humidity level, ranging between 50% to 60%, which is essential for its overall health and bloom production.

  • pinSuitable locations

    • Indoor

      Place near bright, indirect light and maintain soil moisture.

    • Outdoor

      Part shade, acidic soil, shelter from strong winds.

    • Hardiness zone

      5-9 USDA

  • circleLife cycle

    The life cycle of Rhododendron 'Countess of Haddington', often known as the Countess of Haddington Rhododendron, begins with seed germination, which requires a well-drained and acidic soil mix kept moist and under dappled shade. After germination, the seedling stage involves the growth of the first leaves and a root system; during this stage, the plant is very sensitive to environmental conditions. As it matures into a young plant, it develops a woody stem and a more robust root system, preparing it for the vegetative growth stage where foliage becomes denser. Flowering is the next major stage, where buds develop into the characteristic large, pink to white blossoms typical of this rhododendron variety, usually occurring in the spring. Following pollination, the flowers give way to seed capsules, and once seeds mature, they are dispersed to start a new generation. Throughout its life, the Rhododendron 'Countess of Haddington' undergoes periods of active growth and dormancy, corresponding with seasonal changes, particularly thriving in cooler temperatures and partial sun environments.

  • sproutPropogation

    • Propogation time

      Spring-Early Summer

    • The Rhododendron 'Countess of Haddington' can be propagated most effectively through semi-hardwood cuttings. This process is typically done in the late summer when the new growth has begun to mature and harden slightly. To propagate using this method, a gardener would cut a 4 to 6-inch piece of stem from a healthy part of the plant, making sure the cutting has several sets of leaves. The lower leaves are removed, and the cut end is often dipped in rooting hormone to encourage root development. The cutting is then inserted into a pot filled with a mixture of peat and perlite, ensuring at least one or two nodes are buried in the medium. The pot should be placed in a warm, humid environment out of direct sunlight. When roots have formed, which can be checked by gently tugging on the cutting, it can be transplanted into a larger pot or directly into the garden.