clemdetail -

Clematis 'H F Young'

Large, single or semi-double, pale blue flowers with cream or yellow stamens. New flowers have a slight pink bar which fades. Named in 1962 after the director responsible for Pennell's Grimsby nursery. This plant has been awarded the Royal Horticultural Society's Award of Garden Merit in 1993.

Group:	Early large-flowered group
Approximate height: The heights given here are for guidance only. Much depends on the growing conditions of individual specimens.	2.5 - 3.5 metres
Flowering period(s): Warning: the months here are approximate for the northern hemisphere: users south of the equator should add approximately 6 months so that July becomes January etc.	May Jun Sep
Aspect:	Any aspect
USDA zones: Warning: the zones given here are USDA zones for guidance only. Canadian zones are slightly different!	4 5 6 7 8 9
Pruning:	Light prune (Group 2)
Raised by:	Walter Pennell
Country of origin:	United Kingdom
Date raised: r=raised s=selected f=first flowered n=named i=introduced b=before c=about	r1954 ni1962
Parentage: (s) = seed parent	Unknown
Other name(s):	'Horace Young'; Incorrectly: 'H J Young'
Further detail:	Flower diameter: 10-22cm Tepals (single form): 6-8; 5-7cm long, 2-2.6cm wide, elliptic, overlapping, margin slightly wavy Leaves: ternate