‘Alba Erecta’

White flowers, VIII–IX; mid-green foliage; attractive upright habit; height 26–30cm; spread 46–60cm.

Introduced before 1911.

Named after albus = white; a reference to flower colour; erectus = erect.

‘Alba Jae’

White flowers, VII–VIII, bright green foliage with yellowish tips retained for most of the year; height 26–30cm; spread 31–45cm.

Seedling; found by F. J. Chapple in his garden at Whaley Bridge, Derbyshire, England, about 1950.

Jae was the nick-name of Mrs Jessie Chapple.

‘Alba Pilosa’

White flowers, VIII–IX; hairy mid-green foliage. Upright habit. Introduced before 1868; height 21–25cm; spread 46–60cm.

‘Alba Praecox’

White flowers, VI–VIII; mid-green foliage; neat upright habit; height 26–30cm; spread 46–60cm.

Seedling; found by Georg Arends (Wuppertal, Germany); introduced by Arends in 1938.

Named from albus = white; a reference to flower colour; praecox = early, precocious, a reference to the flowering season.

‘Alba Rigida’

White flowers, VII–VIII; bright green foliage; distinctive, close intricate habit; height 10–15cm; spread 26–30cm.

Sport on Calluna ‘Rigida’; introduced before 1867 when it was listed by James Smith (Darley Dale, Derbyshire, England).

Named from albus = white; a reference to flower colour; rigidus = rigid, stiff.

‘Alex Warwick’

White flowers, VI–VII; mid-green foliage; height 10–15cm; spread 31–45cm.

Wild-collected (collector’s no. K60); found on St Kilda by R. J. Brien (Pitcairngreen Heather Farm, Perthshire, Scotland) in 1967; introduced in 1971 by The Scottish National Trust. One of several clones collected from St Kilda.

Named after the founder of the St Kilda Club.