Roscoea cautleiodes Kew form
From AGS seed. Hardy outside since 4 years.
A plant from Turkey growing at 2500m in screes.
Picture taken in a limestone part of the rockery.
Flowered from May to October !
Clematis x cartmanii 'Joe'
Grown from wild seed collected in Scotland
Not really a rock plant but I just had to show it to those who do not know it!