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Royal Azalea Rhododendron schlippenbachii

Phonetic Spelling
rho-doh-DEN-dron shlip-pen-BAH-kee-eye
This plant has high severity poison characteristics.
See below
Description

Woody evergreen to deciduous shrub in the Ericaceae family.  Beautiful showy, fragrant flowers appear in the mid spring April-May.

Wildlife Value: Flowers attract butterflies.  Members of the genus Rhododendron support the following specialized bee: Andrena (Andrena) cornelliThis plant tolerates browsing by rabbits.

Insects, Diseases, and Other Plant Problems: Rhododendrons are susceptible many insect predators and diseases. Potential insect problems include aphids, borers, galls, lacebugs, scale, leafhoppers, mealy bugs, thrips, whiteflies and mites and disease problems include powdery mildew, blights, root rots, and leaf spots. A well-maintained healthy plant in the proper environment should have limited problems, however.  Tolerates a fair amount of sun in cool northern summers, but leaves may scorch in hot afternoon sun. This plant is frequently damaged by deer.

Site: Sun to partial shade; moist, well-drained acidic, humusy, organically rich, soil. Prefers a sun dappled or high open shade.

Form: Upright rounded shrub

Poison Part:  All parts.

Poison Delivery Mode:  Ingestion

Severity: HIGHLY TOXIC, MAY BE FATAL IF EATEN!

Found in: Houseplant or interiorscape; landscape as cultivated woody shrub; forest or natural area.

 

VIDEO Created by Elizabeth Meyer for "Trees, Shrubs and Conifers" a plant identification course offered in partnership with Longwood Gardens.

More information on Rhododendron.

Profile Video:
See this plant in the following landscape:
Cultivars / Varieties:
Tags:
#bees#showy flowers#deciduous#fragrant flowers#wildlife plant#nectar plant#rabbit resistant#specialized bees#pollinator plant#problem for cats#problem for dogs#problem for horses
 
Cultivars / Varieties:
Tags:
#bees#showy flowers#deciduous#fragrant flowers#wildlife plant#nectar plant#rabbit resistant#specialized bees#pollinator plant#problem for cats#problem for dogs#problem for horses
  • Attributes:
    Genus:
    Rhododendron
    Species:
    schlippenbachii
    Family:
    Ericaceae
    Country Or Region Of Origin:
    China, Japan, Korea
    Wildlife Value:
    Flowers attract butterflies. Members of the genus Rhododendron support the following specialized bee: Andrena (Andrena) cornelli. This plant tolerates browsing by rabbits.
    Dimensions:
    Height: 6 ft. 0 in. - 8 ft. 0 in.
    Width: 6 ft. 0 in. - 8 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Poisonous
    Shrub
    Woody Plant Leaf Characteristics:
    Deciduous
    Habit/Form:
    Rounded
    Texture:
    Medium
  • Cultural Conditions:
    Light:
    Full sun (6 or more hours of direct sunlight a day)
    Partial Shade (Direct sunlight only part of the day, 2-6 hours)
    Soil Texture:
    High Organic Matter
    Soil pH:
    Acid (<6.0)
    Soil Drainage:
    Good Drainage
    USDA Plant Hardiness Zone:
    4b, 4a, 5b, 5a, 6b, 6a
  • Flowers:
    Flower Color:
    Pink
    Flower Value To Gardener:
    Fragrant
    Showy
    Flower Bloom Time:
    Spring
    Summer
    Flower Size:
    1-3 inches
    Flower Description:
    2.2 to 3 in. flowers in early summer; pale to rose pink; fragrant; open as leaves emerge
  • Leaves:
    Woody Plant Leaf Characteristics:
    Deciduous
    Leaf Color:
    Green
    Leaf Type:
    Simple
    Leaf Arrangement:
    Alternate
    Whorled
    Hairs Present:
    No
    Leaf Length:
    3-6 inches
    Leaf Description:
    Alternate, simple dark green leaves; 2 to 5.5 in. long; appears whorled
  • Stem:
    Stem Is Aromatic:
    No
  • Landscape:
    Attracts:
    Butterflies
    Pollinators
    Specialized Bees
    Resistance To Challenges:
    Rabbits
    Problems:
    Problem for Cats
    Problem for Dogs
    Problem for Horses
  • Poisonous to Humans:
    Poison Severity:
    High
    Poison Symptoms:
    Salivation, watering of eyes and nose, abdominal pain, loss of energy, depression, nausea and vomiting, diarrhea, weakness, difficult breathing, progressive paralysis of arms and legs, coma.
    Poison Toxic Principle:
    Andromedotoxin
    Causes Contact Dermatitis:
    No
    Poison Part:
    Bark
    Flowers
    Fruits
    Leaves
    Roots
    Sap/Juice
    Seeds
    Stems