Rhododendron anthopogon 'Betty Graham'

Rhododendron anthopogon 'Betty Graham'


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Flowering Month:
Flower Colour:
To -20 °C
Height After 10 Years:
Not Scented
Interesting Foliage:
Currently Unavailable
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3 litre
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5 litre
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(POGONANTHUM (H6) Deep rose pink daphne-like flowers, which have been described as having the texture of limp tisue paper. It flowers in April - May. The oval to elliptic leaves are aromatic when rubbed and have overlapping scales on the undersides. Height up to 40cm in 10 years. 

A choice selected clone with an Award of Merit in 1969.

Dwarf Rhododendrons don't mind the sun but they hate too much heat, so avoid reflected heat from South facing walls and patios. This variety requires cool temperatures, and so planting in a container is not recommended. It is also sensitive to fertiliser, and prefers a less acidic soil than most rhododendrons. Chlorosis and yellow marks on the leaves can sometimes be corrected by adding a little lime to the soil.

Epithet: With bearded flowers, referring to hairs in the floret-tube.

  • Recommended for gorgeous deep pink flowers, ideal for rock gardens and front of borders.
  • Plantsman range.
  • Ideal position: needs careful site selection with cool conditions.
  • Habit: dwarf spreading
  • Group: Dwarf Rhododendron.
  • Subsection: Pogonanthum.
  • Species Introduction date: pre 1850 (1821), this clone 'Betty Graham' collected by Ludlow and Sherriff 1091, East Bhutan, 1934
  • Species distribution: - Kashmir, Nepal, Sikkim, Bhutan to Assam and Tibet. on moorland and rocky slopes.
  • Approximate altitude: 2,700-5,000m
  • Ideal soil: pH5.5 to 6.5
  • RHS hardiness rating: H5
  • How we usually propagate this plant: Cutting.
  • Awards: RHS Award of Merit 1969


The Basics

Ideal soil

Acidic soil, good organic content, pH 4.5-6.0. Inkarho range of rhododendrons will tolerate soils up to pH7.5

Sun or Shade

Light dappled shade is best for most varieties.


Refer to hardiness rating. Give young plants protection.

Site Selection

Avoid close to trees, roots, invasive weeds, walls, hot patios, dry banks and waterlogged soils. Do not use weed matting or stone mulch.

Plant spacing

Use the height shown in 10 years as a guide to the distance between each plant. Allow room for plant to fill out. If planting closer for instant impact, be prepared to move plants after a few years.


  • 3 litre pot, dig in 10-20 litres of ericaceous compost.
  • 7.5 litre pot, dig in 20-30 litres of ericaceous compost.
  • 70-80cm specimen, dig in 60 litres of ericaceous compost.
  • 100-120cm specimen, dig in 120 litres of ericaceous compost.

Planting depth

Plant high in the ground, with the top of the rootball visible.


Slow-release ericaceous feed recommended in March and straight after flowering.


Recommended every few years.


The key ingredient! Keep moist all season, especially the critical time at end of June for flower bud initiation. Tap water is better than no water. Heavy dose at least once per week in dry weather.


Ensure good drainage in winter, especially with yellow flowering varieties. Avoid waterlogged sites.


Rhododendrons and Camellias: Not normally required. Tidy wayward shoots after flowering.

Evergreen azaleas and Bloombux can be clipped into a low hedge.

Magnolias and Acers: Formative pruning when young to shape into a tree or bush.


Remove old flower-heads, particularly on young or weak plants.

For further advice see here

Size Guide

Size guide

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