Nick Upton / Mouse ear chickweed (Cerastium supramontanum) amongst Spiny broom (Calicotome villosa). Branched asphodel (Asphodelus ramosus) in background with mountains beyond. Supramonte range, near Urzulei, Sard...

Nick Upton / Sage-leaved cistus (Cistus salvifolius) and Spiny broom (Calicotome villosa), Supramonte mountain range, near Urzulei, Sardinia, Italy. June.

Ernie Janes / Gorse (Ulex europaeus) in flower in mid winter covered in frost and snow. Norfolk, England, UK. January.

Ernie Janes / Lupins growing in herbaceous border, Norfolk, England, UK. May.

Ernie Janes / Gorse (Ulex europaeus) in flower in mid winter covered in frost and snow. Norfolk, England, UK. January.

Heather Angel / Texas bluebonnets (Lupinus texensis) and Indian paintbrush (Castilleja coccinea) amongst wildflowers in ditch beside byway. Rains triggered germinaton of annual seeds. Cuero, Texas, USA. April.

SCOTLAND: The Big Picture / Flowering Gorse (Ulex europaeus) seen from above. Hopeman, Scotland, UK, May.

SCOTLAND: The Big Picture / Aerial view of Clashach Cove surrounded by flowering Gorse (Ulex europaeus) Hopeman, Scotland, UK, May.

John Shaw / Arrowleaf balsamroot (Balsamorhiza sagittata) and lupine Lupinus lepidus) in the dry hills along the eastern end of the Columbia Gorge. Washington, USA. April.

Nick Upton / Mountain slopes covered in Western gorse bushes (Ulex gallii), near Sotres, Picos de Europa, Asturias, Spain, August 2016.

Nick Upton / Mountain slopes covered in Western gorse bushes (Ulex gallii), near Sotres, Picos de Europa, Asturias, Spain, August 2016.