Photo of Rhododendron augustinii flower by A. Barra

Photo by A. Barra

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Buy Rhododendron augustinii

Also Known As

  • Rhododendron augustinii f grandiflora
  • Rhododendron augustinii ssp. augustinii
  • Rhododendron augustinii var azureus
  • Rhododendron augustinii var yui
  • Rhododendron vilmorinianum

Plant type

shrub

size

  • H: 6'-20'
  • W: 6'-15'

planting zones

  • 7b-9b

1 gallon bagged root ball | $29

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Rhododendron augustinii plant details

Rhododendron augustinii is a broadleaf evergreen shrub with green foliage. In spring and summer blue, pink and purple flowers emerge. Attracts bees making it an excellent addition to pollinator gardens. Grows well with sun - mostly shade and even moisture - regular water. Does well in acidic, rich and well-drained soil.

CHARACTERISTICS OF Rhododendron augustinii

Plant type: shrub
Plant family: ericaceae
Foliage: evergreen green
Mature size: 6 FT - 15 FT - wide, 6 FT - 20 FT - tall
Flowers: blue, pink and purple blooms in spring and summer
Uses: border plant, container plant, rare, showy, woodland garden, year-round-interest

GROWING CONDITIONS for Rhododendron augustinii

USDA Zones: 7b - 9b
Sun exposure: sun - mostly shade
Watering frequency: even moisture - regular
Resistant to: deer
Soil needs: acidic, rich and well-drained

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Nursery contributed plant descriptions

This species is a highlight east of my house in April. We have planted 3 different varieties 30' apart. The rich purple-blue flowers cover the 8' plants. Leaves are small and flowers are 1 ½ across.
Radiant blue flowers cover this plant in early spring. Long, dark green foliage. A bold upright plant that looks great against a wall. Old specimens can reach 10-12 feet so give it room to grow.
One of the finest and most popular of all species, with masses of attractive flowers ranging in color from blue-purple (the norm) to rose-pink and white. These are grown from seed collected in the wild from a population of plants with smaller leaves growing in a sunny drier habitat at what is probably the southern limit of the species. Easily grown in sun or shade and very floriferous. Great with white and pink flowered rhododendrons.
Here is a worthy variety that will stand the sun. The smooth leaves, small, long, and dark green, have densely scaled undersides. It's a strong grower and flowers in abundance, a radiant blue color not to be forgotten. (RN, rn, Triflora)

By: Greer Gardens Inc.

Dark purple flowers.

Gardening facts about Rhododendron augustinii plant

How to Grow Rhododendron augustinii

  • Sun Exposure

    • sun - mostly shade
  • Water Needs

    • even moisture - regular
  • Soil Needs

    • acidic
    • well-drained
    • rich

Features

  • Foliage Color

    • green
  • Flower Color

    • pink
    • blue
    • purple
  • Flower Season

    • summer
    • spring
  • Foliage Season

    • evergreen
  • Wildlife

    • bees
    • deer resistant
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