White flowers, X–XI; dark green foliage; erect; height 31–45cm; spread 31–45cm.
Introduced before 1964.
Name alludes to the flower colour and time of flowering.
O
‘Odette’
Lilac-pink flowers, VIII–IX; dark green foliage; broad spreading habit; height 31–45cm; spread 31–45cm.
‘Oiseval’
White flowers, VII–VIII; light green foliage; forms a mound; height 16–20cm; spread 26–30cm. One of the best of the St Kilda heathers (K52), named after a hill on Hirta.
‘Old Rose’
Mauve (H2) flowers, VIII–IX; green-gold foliage in summer, acquiring orange tints in winter and the new growth in spring has red tips; dense spreading habit; height 21–25cm; spread 46–60cm.
Introduced by 1987.
Name alludes to the flower colour.
‘Olive Turner’
Mauve to pink (H2, H8) flowers, VIII–IX; dark green foliage, young shoots with red and cream tips in spring; height 31–45cm; spread 46–60cm.
Introduced by Knap Hill nursery (Woking, Surrey, England) by 1975.
Olive Turner has not been identified.
‘Olympic Gold’
Light mauve (H2) flowers, VIII–IX; light golden yellow foliage throughout the year; spreading growth when young becoming more upright, vigorous; height 31–45cm; spread 46–60cm. A sport on ‘Wickwar Flame‘, from A Bosch, Westerlee, The Netherlands, in 1988.
‘Orange and Gold’
Mauve (H2) flowers, VIII–IX; orange and gold foliage; vigorous, semi-prostrate with curling stems; height 10–15cm; spread 31–45cm.
Introduced by Clive Benson (Preston, Lancashire, England) in 1988.
Name alludes to the foliage colours.
‘Orange Beauty’
Mauve (H2) flowers, VIII–IX; orange foliage in winter, turning gold in summer; broad erect habit; height 16–20cm; spread 31–45cm.
‘Orange Carpet’
Mauve (H2) flowers, VIII–IX; gold foliage in summer, orange in winter; spreading; height 16–20cm; spread 31–45cm.
Seedling in a bed of ‘Orange Queen‘; found at Tabramhill Gardens (Newstead Abbey Park, Nottingham, England); introduced by G. Yates in 1973.
Name alludes to the foliage colour and habit.
‘Orange Max’
Pale lilac-pink (H11) flowers, VII–VIII; bronze-yellow foliage in summer, turning bronze-red in winter; creeping; height 10–15cm; spread 31–45cm.
Seedling; found by J. Dekker in his garden at Mijdrecht, Netherlands; introduced by P. G. Zwijnenburg (Boskoop, Netherlands) in 1975.
Named after the finder’s dog (see also Calluna vulgaris ‘Golden Max‘ and ‘Red Max‘).
‘Orange Queen’
Lavender (H3) flowers, VIII–IX; golded foliage in summer, changing to bronze in autumn, and orange in winter; height 26–30cm; spread 46–60cm.
Found by J. W. Sparkes (Beechwood Nursery, Beoley, Redditch, Worcestershire, England); introduced by J. W. Sparkes by 1964.
Name alludes to the foliage colours.
‘Oregon Glow’
Amethyst (H1) flowers with white bases , VIII–IX, in long, much-branched spikes; dark green foliage; vigorous and broadly spreading.
Found and selected among naturalized Calluna at Yachats, Oregon, U.S.A, by Ella May T. Wulff in 2001.
® C.2006:03 registered on 1 March 2006 by Ella May T. Wulff, Oregon Heather Society, USA.
Amended description and image with new information from Ella May T. Wulff. 28th August 2018 – DJB
‘Öxabäck’
Mauve (H2) flowers, IX–X, sparse; bright green foliage; dwarf, compact humpy habit ; height 16–20cm; spread 26–30cm.
Wild-collected; found by Gustav Johansson about 1960 in a ditch on a peat bog at Kubbmossen near Öxabäck, southwestern Sweden. Chief attraction is the habit.
Named after the region in Sweden where it was found.
‘Oxshott Common’
Lavender (H3) flowers, abundant, VIII–X; downy grey-green foliage; height 46–60cm; spread 75–100cm. Recommended. Later flowering than some of the other grey lings.
Wild-collected; found on Oxshott Common, north of Leatherhead, Surrey, England, before 1963; introduced by The Crown Estate, Windsor Great Park, Berkshire, by 1964. The name of the finder is not known.
Named after the common on which it was discovered.