Medium-sized, single, bright blue flowers borne in clusters. The sepals are whitish towards the base and have a lighter bar. 'Zagadka' has white filaments and yellow anthers. Named by Professor M A Beskaravainaya, this was the first cultivar to be bred in the former Soviet Union using a chemical to produce new plants. The name means 'Enigma'.

Group:	Flammula group
Approximate height:	1.0 - 1.5 metres
Flowering period(s):	Jun Jul Aug Sep
Aspect:	Any aspect
Pruning:	Hard prune (Group 3)
Raised by:	N G Chemarin
Country of origin:	USSR/Ukraine
Date raised:	r1967 f1972 n1974
Parentage:	Seed of angustifolia Jacq. pretreated with ethylenimine
Other name(s):	ENIGMA
Further detail:  Flower diameter: 6.5-8.5cm Sepals: (4-)5-6, 3-3.5cm long, up to 1.3cm wide, oblong-elliptic, blunt, gappy, hairy on the outer surface Leaves: pinnate Leaflets: 5(-7) Database entry: 1071