Pontiac azalea

Rhododendron luteum | Also known as: Common yellow azalea, Azalea pontica | Rating: 0 votes | Print / Pdf

Easy going, looks good - essentially it's a Golden Retriver

Rhododendron luteum is also known as yellow azalea due to the abundance of bright yellow flowers it produces in the spring. It's a great plant for the garden, it's hardy and will tolerate the cold winter weather, and it's very attractive; as well as the great show of flowers, the foliage turns to super colours in the autumn, orange, purple and red. It grows dense and bushy and will grow between two and four metres in both height and spread. The flowers give off a strong and pleasant fragrance. If you have moist acidic soil you should find this azalea easy to grow.

Rate it:
Known dangers?
  • no
Height [m]
  • 4
Spread [m]
  • 4
Dominant flower colour
  • Yellow
Flower Fragrance
  • Yes, let it smell
Flowering seasons
  • Early summer
Foliage in spring
  • Green
Foliage in summer
  • Green
Foliage in Autumn
  • Green
  • Yes, let it smell
Propagation methods
  • semi-ripe cuttings
  • layering
Growth habit
  • Bushy
  • Rounded
  • Tufted
  • Acidic
Hardiness zone
  • Z7-9
Heat zone
  • H9-7
Winter temperatures [°C]
  • -18 - -1
Heat days
  • 60 - 150
  • well-drained
  • well-drained but frequently watered
Soil type
  • sandy
  • Clay
  • loams
Sun requirements
  • Full sun
  • Partial shade
  • Sheltered
Standard category
  • Trees & shrubs
  • Shrubs
Grown for
  • Attractive Flowers
Creative category
  • Fine fragrants
  • For Beginners
  • Colours
  • For birds & bees
  • Author's choice
Gardening expertise
  • beginner
Time to reach full size
  • up to 10 years
18 Related plants


PLANTS Rhododendron

The name Rhododendron comes from the Greek for rose tree, although it isn't a rose it has a similar look. It's a large genus, there are more than a thousand species of rhododendron and nearly all of them have large and impressive flowers. There are various sized rhododendron species , from shrubs to large trees. The largest has been recorded at 98 feet tall! The flowers are usually quite showy, with lots of petals and there are many colours, from white to orange or red. They can be susceptible to pests, especially caterpillars. They prefer acidic well-drained soil. Rhododendrons are toxic, they can be harmful to cattle and people have even been known to become ill after eating honey made by bees collecting nectar from rhododendrons.