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.

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

Cardoon, Cynara cardunculus, Artichoke thistle growing outdoor.

Cardoon, Cynara cardunculus, Blue coloured Artichoke thistle growing outdoor.

Close up of Jade Frost Sea Holly, Erynghan, blossoms.

Dandelion clock, Taraxacum officinnale, Side view of single stem growing outdoor.

Dandelion clock, Taraxacum officinale, Close up of seedhead outdoor showing cypsela.

Dandelion, Taraxacum officinale, Yellow coloured flowers growing outdoor with butterfly.

Dandelion, Taraxacum officinale, Yellow coloured flowers growing outdoor with butterfly.

Dandelion, Taraxacum officinale, Yellow coloured flowers growing outdoor.

Thistle, Creeping thistle, Cirsium arvense, studio shot of seedhead.