Thalictrum delavayi

Sprays of long-lasting, rosette-like, double lilac flowers on slender stems.

Flowering period:  August to September.
Growing conditions:  Moist, well-drained soil in sun or part shade.
Typical mature height:  60 inches ( 152 cms )
Hardiness: - to discuss further  
 RHS Award of Garden Merit  This plant has been awarded the Royal Horticultural Society's Award of Garden Merit (AGM).
 Piecemeal Plants in Leicestershire