Dogwood, Golden Tartarean dogwood, Cornus alba 'Aurea', Detail of white flowers growing outdoor.

Dogwood, Golden Tartarean dogwood, Cornus alba 'Aurea', Detail of white flowers growing outdoor.

Dogwood, Golden Tartarean dogwood, Cornus alba 'Aurea', Autumn stems of golden yellow leaves are fading and aquiring a pale pink tinge.

Dogwood, Golden Tartarean dogwood, Cornus alba 'Aurea', Autumn stems of golden yellow leaves are fading and aquiring a pale pink tinge.

Cirsium Thistle - Plume thistle Cirsium rivulare 'Atropurpureum' cirsium rivulare atropurpureum

Cirsium, Plume thistle, Cirsium rivulare 'Atropurpureum', Side view of purple red fluffy thistles intermingled with white lavender.

Plume thistle, Cirsium rivulare 'Atropurpureum', close up of buds.

Cirsium, Cirsium rivulare 'Atropurpureum'.

Thistle, Brook thistle, Cirsium rivulare 'Atropurpureum'.

Cirsium, Cirsium rivulare 'Atropurpureum'.

Cirsium rivulare Atropurpureum. Flower head of crimson, pincushion-like flowers with three emerging, smaller heads around base

Chelsea Flower Show 2013, M&G Centenary, Designer Roger Platts. Gold medal

Cirsium, Cirsium rivulare 'Atropurpureum'.