‘Rock Spray’

Dark crimson flowers, VII–VIII; dark green foliage; compact; height 31–45cm; spread 46–60cm.

Introduced by Rock Spray Nursery (Truro, Massachusetts, USA) before 1990; this was later queried – we ‘now believe it is either ‘Allegro’ or ‘Corbett’s Red’.’*

Named after the nursery in USA which introduced it.

‘Röding’

Crimson flowers, IX–X; mid-green foliage; upright.

An un-named plant (which had been imported from Denmark) purchased about 1980 in a flower-shop at Vargön by Mrs Brita Johansson (Vargön, Sweden); named by Mrs Johansson by 1995 and introduced in 1995 by Henry Olofsson (Ödsby Nursery, Munkedal, Sweden).

Name is the Swedish word röding means “something red”, an allusion to the flower colour. It is also the name for a fish related to salmon.

‘Rokoko’

❁ Ruby (H5) flowers with white centres; IX–X; foliage grey–green; habit broad, upright. A sport from ‘H. E. Beale‘ found by J. Hachmann (Barmstedt, Schleswig-Holstein, Germany) by 2000.

‘Roland Haagen’

Mauve (H2) flowers, VIII–IX; golden-yellow foliage in summer, turning bright orange in winter, the shoot-tips a deeper colour; height 10–15cm; spread 31–45cm. Recommended.

A sport on a wild plant found near Carrick-on-Suir, County Waterford, Ireland, by Rinus Zwijnenburg (Boskoop, Netherlands) in 1970; introduced by P. G. Zwijnenburg, Boskoop, in 1972.

Named after a friend of Rinus Zwijnenburg [Ericultura 60: 17 (1986)] who was on holiday with Zwijnenburg in Ireland when the sport was found.

‘Roma’

Deep lilac-pink (H11) flowers, VIII–X; mid-green foliage; neat habit; height 16–20cm; spread 31–45cm. Similar to ‘Mullion’. Named after E. Hoare’s wife.

‘Romina’

♤ Purplish red buds, VIII–XI, abundant; hairy, dark green foliage; broad, erect habit; height 31–45cm; spread 46–60cm.

Seedling; raised by Kurt Kramer (Edewecht-Süddorf, Germany) in 1984; introduced in 1990; submitted for plant breeders’ rights on 28 September 1989; rights granted on 20 February 1992.

Fantasy name. Preliminary designation (vorläufige Bezeichnung; Anmeldename) was ‘Knospenbluher rot’.

‘Ronas Hill’

Prostrate; yellow foliage in spring and summer turning orange-bronze in winter; height 10–15cm; spread 26–30cm; flowers not produced.

Wild-collected; found in the Shetlands by John Copeland; introduced by Jack Drake (Inshriach Nursery, Aviemore, Inverness-shire, Scotland) in 1985.

Named after the locality where it was found on Mainland, Shetland.

‘Roodkapje’

♤ Lilac buds, IX–XI; dark green foliage with a reddish tinge; height 31–45cm; spread 46–60cm.

Sport on ‘Underwoodii‘; found by P. Bakhuyzen & Zonen (Boskoop, Netherlands); introduced by Bakhuyzen in 1979.

Name is a reference to the young growth in spring.

‘Rosalind, Crastock Heath’

Pale lavender (H3) flowers, VIII–IX; green-yellow foliage with an occasional red shoot; loose open habit; height 31–45cm; spread 46–60cm. Not as good as ‘Rosalind, Underwood’s‘.

Found by Mrs A. M. Wye (Crastock Heath, Woking, Surrey, England); introduced as C. vulgaris ‘Rosalind’ by Crastock Heath Nurseries in 1961.

Named originally, perhaps, after Mrs Wye; later the name of the place where it was found was added.