Perovskia 'Filigran' (Russian Sage 'Filigran'):
Silvery foliage & spikes of purple flowers in mid-summer. More upright than other cultivars. Lovely winter stem effect. Hardy. Up to 1.5m.
[Collect Only]
Thalictrum 'Elin' (Rue 'Elin'):
Tallest of the Thalictrums we grow with huge heads of lavender and yellow flowers in mid-late summer. To 2m. Hardy.