Willow, Scarlet willow, Salix alba 'Britzensis', Detail of red coloured stems growing outdoor.

Willow, Scarlet willow, Salix alba 'Britzensis', Detail of red coloured stems growing outdoor.

Willow 'Golden Ness', Salix alba 'Golden Ness', Mass of yellow stems growing outdoor.

Willow 'Golden Ness', Salix alba 'Golden Ness', Mass of yellow stems growing outdoor.

Rhododendron, Rhododendron mucronatum, White flower growing outdoor showing stamen.

Rhododendron, Rhododendron 'Hydon Rodney', Lightly frosted leaves and buds in winter.

Primula, Primula 'Crescendo Bright Red', Close up of red coloured flowers growing outdoor.

Woodruff, Sweet woodruff, Asperula odorata, Galium odoratum, Mass of tiny white flowers growing outdoor.

Speedwell 'Georgia Blue', Veronica umbrosa 'Georgia Blue', Small blue coloured flowers growing outdoor.

California fuchsia, Rbes speciosum, Growing outdoor against stone wall.

California fuchsia, Rbes speciosum, Growing outdoor against stone wall.

Pasque flower, Pulsatilla vulgaris subsp. Grandis, Side view of purple coloured flower with yellow stamen.