Dahlia, Close-up detail of flower showing red petals.

Cactus, Flowering cacti close-up showing red flower.

Cactus, Flowering cacti close-up showing red flower.

Lupin, Lupinus, Red Lupins in full bloom after a shower of rain.

Lupin, Lupinus, Red Lupins in full bloom after a shower of rain.

Poppy, Papaveraceae, Creative image of poppies in a field in Watchfield, near Swindon, Wiltshire.

Gerbera, Red Crowned Daisy, Gebera Jamesonii, A red crowned daisy in the flower borders of Hidcote Gardens.

Poppy, Papaver, Detail of red coloured flower growing outdoor.

Rose, Rosa, Red coloured petals on flower with yellow stamen.

Variegated Japanese laurel, Variegated gold dust plant, Aucuba japonica Variegata, Detail of green a white coloured leaves and two red berries growing outdoor.

Tulip, Tulipa x gesneriana, also known as Didier's Tulip and Garden Tulip, Close up of red coloured flower showing stamen.

Dogwood, Flowering dogwood, Kousa Dogwood, Cornus kousa, Detail of plant with red coloured fruit growing outdoor.