‘Christina’

White flowers, IX–X; green-yellow foliage in summer, turning to clear yellow in winter; vigorous; height 46–60cm; spread 61–75cm. Similar to ‘Serlei Aurea’ but the foliage is slightly more yellow. Found in Bremen, Germany, and named after the introducer’s daughter.

‘Christin Küppers’

♤ Crimson (H13) buds, IX–XI; dark green foliage; height 30cm; spread 50cm. Sport on ‘Marlies’, raised by Matthias Küppers (Straelen, Germany) before 1998, and named ‘Christin’ but that name is unacceptable because it is a parahomonym of ‘Christina’ and ‘Christine’.

‘Christmas Candle’

Mauve flowers, XI–I; mid-green foliage with gold/red new growth in spring; height 21–25cm; spread 31–45cm. Raised by Joyce Descloux (New Jersey, USA); introduced by 1998.

‘Cilcennin Common’

♤ Deep purple-red buds, VIII–IX; dark green foliage; low open habit with arching branches; height 26–30cm; spread 31–45cm. One of the earliest bud-flowering cultivars. A wild seedling found in Dyfed about 2 miles from his nursery by nurseryman, John L. Jones, Glynwern Nursery, Cilcennin, Lampeter, Dyfed, Wales; introduced c. 1992.

‘Clare Carpet’

Pale shell-pink (H16) flowers, VIII–IX; light green foliage; prostrate; height less than 10cm; spread 31–45cm. Found by Dr Charles Nelson at Bridge of Allen, County Clare, Ireland, growing close to ‘Caleb Threlkeld’.

‘Coby’

Amethyst flowers (H1), VIII–IX; dark green foliage; compact; height 26–30cm; spread 46–60cm.

Sport on ‘Darkness‘; found by H. Hoekert (Oldebroek, Netherlands) about 1980; introduced by Hoekert in 1983.

Named after the finder’s wife.

‘Coccinea ‘

Purple (H10) flowers, VIII–X; dark grey-green foliage; low spreading habit; height 21–25cm; spread 21–25cm.  Flowers, contrasting well with its pale grey downy foliage of the young growth.

In cultivation by 1825, at Woburn; it is doubtful whether the present clone is the one grown then.

Named from coccineus = red.

‘Colette’

Crimson (H13) flowers in short spikes, VIII–IX; dark lime-green foliage, tipped orange darkening to red-brown in winter; broad erect habit; height 21–25cm; spread 31–45cm. Found by Jos Flecken (Kerkrade, Netherlands) and named after his daughter. Registered 23 December 1993: J. G. Flecken, Kerkrade, Netherlands.