Rhododendron Silver Copper

Rhododendron Silver Copper


unavailable Currently Unavailable

Flowering Month:
Flower Colour:
To -20 °C
Height After 10 Years:
Not Scented
Interesting Foliage:
Currently Unavailable
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5 litre
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NEW! Masses of pinky-white frilly flowers with a dark red blotch in the centre, flowering in May. The plant is named for its wonderful new foliage during the summer months. The new growth in June and July is covered in a bright silvery tomentum (powdery coating) which turns a copper colour before washing off in autumn rains to reveal dark green leaves during the winter months. The leaf undersides are also covered in silver indumentum which turns a rusty copper colour as they age. The plant develops into a dense compacthabit with a height between 100 -125cm in 10 years.

Rhododendron ‘Silver Copper’ comes to us from Tijs Huisman’s collection in Holland, but is not one of his crosses. He named it in honour of the American breeder Fred Minch from Washington state, USA.

• Recommended for: interesting foliage.
• Easy to grow.
• Ideal position: Most garden situations
• Habit: Dense.
• Group: Hybrid Rhododendron.
• Parentage: Unknown yakushimanum hybrid X Unknown yakushimanum hybrid
• Hybridization date: Unknown - probably 1990s.
• Bred by: Fred Minch, Puyallup, WA. USA
• Ideal soil: pH 4.5 to 6.
• RHS Hardiness Rating: H6.
• How we usually propagate this plant: Graft

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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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