Rhododendron Karl Naue INKARHO

Rhododendron Karl Naue INKARHO

Item: IKARL

in stock In stock

Flowering Month:
May-June
Flower Colour:
Red
Hardiness:
To -20 °C
Height After 10 Years:
150-175cm
Scent:
Not Scented
Interesting Foliage:
No

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(H6) Strong red flowers in a domed truss, with dark red spotting on dorsal lobe, and prominent white filaments. Mid May-June flowering, set off with good dark green foliage. A tough plant from Hachmann, in Northern Germany. Height 150-175cm in 10 years. Requires moist acid soils.

Introduced: Holger Hachmann 2007
Etymology: named for the 71st birthday of the head of the Dittersdorf Baumschulen, Amtsberg OT Dittersdorf, Germany

  • Recommended for: Hedging/screening.
  • Easy to grow.
  • Ideal position: Most garden situations with light shade.
  • Habit: Bushy.
  • Group: Hybrid Rhododendron.
  • Parentage: ‘Hachmann’s Junifeuer’ (s) X ‘Aeschbacher’s Rubin’.
  • Hybridization date: pre 2000 (1994) .
  • Bred by: H. Hachmann Origin: Barmstedt, Germany.
  • Tolerant of neutral soil with the Inkarho rootstock.
  • Ideal soil: pH 4 to 7.5.
  • RHS Hardiness Rating: H6.
  • How we propagate this plant: Graft



Customer Reviews

By on
"1st class everything. Plants arrived at the scheduled date. They were healthy and packaged well and came with lots of useful information. They are doing well in the garden and I'm looking forward to their first flowers in May/June 2022."
Star Rating 5

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.

Shelter

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.

Compost

  • 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.

Feeding

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

Mulch

Recommended every few years.

Water

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.

Drainage

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

Pruning

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.

Deadheading

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

For further advice see here

Size Guide

Size guide

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