Large, deep blue-violet, double flowers early in the summer. Single flowers in late summer. Deep purple anthers on whitish filaments.

Group: Early large-flowered group
Approximate height: 2.5 - 4.0 metres
Flowering period(s): May Jun Sep
Aspect: Sun or semi-shade
Pruning: Light prune (Group 2)
Raised by: Derek Mills
Country of origin: United Kingdom
Date raised: i1985
Parentage: Unknown
Other name(s): Mis-spellings: 'Glyderek'; 'Glunderek'

Further detail:

Flower diameter: 12-20cm
Tepals: 6 (single form); elliptical, overlapping, pointed, margin wavy