Oak, Quercus robur.

Sea Holly, Leavenworth's eryngo, Eryngium leavenworthii, Detail of purple coloured flowers growing outdoor.

Sea Holly, Leavenworth's eryngo, Eryngium leavenworthii, Detail of purple coloured flowers growing outdoor.

Monkshood, Kusnezoff monkshood, Aconitum kusnezoffii, Close up of purple coloured flowers growing outdoor.

Chrysanthemum, Hybrid chrysanthemum, Single purple coloured flower growing outdoor.

Japanese iris, Iris laevigata, Purple coloured flower growing outdoor.

Phlox, Phlox paniculata, Purple coloured flowers growing outdoor.

Crocus, Early crocus, Crocus tomassinianus, Mass of purple coloured flowers growing outdoor.

Crocus, Early crocus, Crocus tomassinianus, Mass of purple coloured flowers growing outdoor.

Crocus, Early crocus, Crocus tomassinianus, Mass of purple coloured flowers growing outdoor.

Crocus, Early crocus, Crocus tomassinianus, Mass of purple coloured flowers growing outdoor.

Crocus, Early crocus, Crocus tomassinianus, Mass of purple coloured flowers growing outdoor.

Crocus, Early crocus, Crocus tomassinianus, Mass of purple coloured flowers growing outdoor.