Jack Dykinga / Saguaro Cactus (Carnegiea gigantea) with flower cluster emerging from the tip of its limb, Saguaro National Park, Arizona, USA.

Sven Zacek / Dotted Border Wave moth (Idaea sylvestraria) at rest, feeding on nectar, Namibia, Africa.

Ernie Janes / Crown imperial (Fritillaria imperialis) growing in spring border, cultivated plant in garden.

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

Ernie Janes / Primula 'Wanda' in spring flower border

Ernie Janes / Astilbe 'Collettes charm' in garden border.

Ernie Janes / Shapcott Shasta daisies (Leucanthemum) 'Shapcott gossamer' growing in garden border.

Ernie Janes / Red hot poker (Kniphofia) 'Royal Standard' in garden border, England, UK, July.

Ernie Janes / Avens (Geum) 'Mrs Bradshaw' flowers growing in garden border, England, UK. May.

Ernie Janes / Geranium 'Sirak' in garden border

Ernie Janes / Geranium Patricia' in mixed herbaceous border, England, UK. June.

David Woodfall / Cowberry (Vaccinium vitus-idaea) Fenns Whixall Moss NNR, border of England and Wales. UK. June.

Ernie Janes / Joe Pyes weed (Eupatorium maculatum) and Rudbeckia 'Gold sturm' in garden border.

Ernie Janes / Joe Pyes weed (Eupatorium maculatum) and Rudbeckia 'Gold sturm' in garden border

Ernie Janes / Hydrangea paniculata 'Pinky Winky' in border, Norfolk, England, UK. September.

Ernie Janes / Ornamental Kale 'Nagoya white' in garden border.

Ernie Janes / Ornamental Kale 'Nagoya Red' in garden border

Ernie Janes / Ginger Lily (Hedychium) 'Tara' growing in autumn border.

Ernie Janes / Ginger Lily (Hedychium) 'Tara' growing in autumn border.

Ernie Janes / Dahlia 'Sunny boy' flower in summer border

Ernie Janes / Dahlia 'Zinguard' in flower in summer border

Ernie Janes / Dahlia 'Catherine Ireland' flower in summer border

Ernie Janes / Argentinian vervain (Verbena bonariensis) and Giant feather grass (Stipa gigantea) in garden border.

Ernie Janes / Mediterranean sea holly (Eryngium bourgatia) 'Picco blue' flowers in garden border. England, UK.

Ernie Janes / Mediterranean sea holly (Eryngium bourgatia) 'Picco blue' flowers in garden border. England, UK.

Ernie Janes / Delphinium 'Highlander Moonlight' in garden border England, UK.

Ernie Janes / Dahlia border with garden seat England, UK.

Ernie Janes / Loosestrife (Lythrum virgatum) 'Dropmore Purple' in flower garden border England, UK.

Ernie Janes / Loosestrife (Lythrum virgatum) 'Dropmore Purple' in flower garden border England, UK.

Ernie Janes / Tulip 'Carnaval de Nice' growing in garden border. England, UK.

Michael Hutchinson / Palm House, with flowering Tulips (Tulipa) in the foreground, Kew Gardens, London, England, UK, April 2016.

Laurent Geslin / Wood pigeon (Columba palumbus) in urban park flower bed, Grenoble, France, April.

Roger Powell / Regent parrot (Polytelis anthopeplus) feeding on border of flower bed in parkland, Cleland, South Australia

Ernie Janes / Hydrangeas (Hydrangea sp) cultivated flowers in garden border with cast iron chair with pots and trowels, England, UK, July.

Ernie Janes / Hydrangeas (Hydrangea sp) cultivated flowers in garden border, England, UK, July.

Ernie Janes / Lavender border 'Hidcote variety' with chair and terracotta pots, and Grass (Pennisetum villosum) Norfolk, England, UK, August.

Ernie Janes / Dahlias in flower, seen through foggy cottage window, Ringshall, Hertfordshire, England, UK, September.

Ernie Janes / Dahlia 'Fashion monger' in garden border

Ernie Janes / Dahlia 'Geerlings Sorbet' cultivated plant growing in garden border.

Ernie Janes / Dahlia 'Moonfire' flower, cultivated plant growing in garden border.

Ernie Janes / Dahlia 'Karma sangria' cultivated plant growing in garden border.

Ernie Janes / Dahlia 'Purple pearl' flower, cultivated plant growing in garden border

Ernie Janes / Dahlia 'Purple pearl' flower, cultivated plant growing in garden border

Ernie Janes / Dahlia 'York and Lancaster' flower, cultivated plant growing in garden border.

Ernie Janes / Dahlia 'York and Lancaster' flowers, cultivated plant growing in garden border.

Ernie Janes / Cosmos flower (Cosmos bipinnatus) cultivated plant in garden border, with Bumblebee (Bombus sp) in flight.

Ernie Janes / Cosmos flower (Cosmos bipinnatus) cultivated plant in garden border, with Bumblebee (Bombus sp) in flight.

Ernie Janes / Cosmos flower (Cosmos bipinnatus) cultivated plant in garden border, with Bumblebee (Bombus sp)s in flight.

Ernie Janes / Cosmos flower (Cosmos bipinnatus) cultivated plant in border, with Bumblebee (Bombus sp)s pollinating.

Will Watson / Vestal Bumblebee (Bombus vestalis) on Purple Geranium (Geranium x magnificum), garden border, Herefordshire, England.

Pascal Pittorino / Watering a flowerbed of Marigold (Tagetes sp) in botanic garden, Var, Provence, France, July.

Stephen Dalton / Herbaceous border in garden with Alliums (Allium), Great Dixter, Rye, East Sussex, England, UK. May.

Stephen Dalton / Herbaceous border in garden at Great Dixter House, Kent, England, UK. May 2014.

Stephen Dalton / Herbaceous border with Lupins (Lupinus) and Hostas (Hosta) Great Dixter House, Kent, England, UK. May.

Ernie Janes / Lupins (Lupinus sp.) growing in herbaceous border, Norfolk garden, UK, June.

Ernie Janes / Lupins (Lupinus sp.) growing in herbaceous border, Norfolk garden, UK, June.

Ernie Janes / Hydrangers (Hydrangea sp.) in border with gardening tools. Norfolk, UK, June.

Ernie Janes / Lavender (Lavandula angustifolia) in garden border, England, UK, July.

Adrian Davies / Agapanthus (Agapanthus) and Helenium (Helenium) flowers in a border, Cornwall, England, UK, July.

Stephen Dalton / Experimental wildflower border in bloom, in which the top 6cm of top soil was removed and replaced with sharpsand, England, UK, May 2012. Sequence image 2/2.

Konstantin Mikhailov / Eastern pasqueflower / Prairie smoke / Prairie crocus / Cutleaf anemone (Pulsatilla patens) in flower, Orenburgsky State Nature Reserve, Zapovednik, Orenburg Steppe Region, Russia at the border with K...

Konstantin Mikhailov / Eastern pasqueflower / Prairie smoke / Prairie crocus / Cutleaf anemone (Pulsatilla patens) in flower, Orenburgsky State Nature Reserve, Zapovednik, Orenburg Steppe Region, Russia at the border with K...

Konstantin Mikhailov / Iris (Iris humilis) two in flower, Orenburg steppe Orenburgsky State Nature Reserve, Zapovednik, Orenburg Steppe Region, Russia at the border with Kazakhstan, May 2010.

Konstantin Mikhailov / Iris (Iris humilis) in flower Orenburg steppe Orenburgsky State Nature Reserve, Zapovednik, Orenburg Steppe Region, Russia at the border with Kazakhstan, May.

Konstantin Mikhailov / Iris (Iris humilis) in flower Orenburg steppe Orenburgsky State Nature Reserve, Zapovednik, Orenburg Steppe Region, Russia at the border with Kazakhstan, May.

Konstantin Mikhailov / Fratilllary / Missionbells (Fritillaria ruthanica) in flower, Orenburg steppe Orenburgsky State Nature Reserve, Zapovednik, Orenburg Steppe Region, Russia at the border with Kazakhstan, May.

Gary K. Smith / Cardoons (Cynara cardunculus) in full flower in ornamental border, UK, August

Mark Raycroft / Border Terrier (Canis familiaris) males in garden

Ernie Janes / Roadside flower border in cottage garden with flowering Geraniums and Valerians, Norfolk, UK, June

Ernie Janes / Flower border of succulent plants in garden, Norfolk, UK, June

Ernie Janes / Flower border of succulent plants in garden, Norfolk, UK, June

Ernie Janes / Flower border in the Spider garden, Hoveton Hall, Norfolk, UK, June

Ernie Janes / Swallowtail butterfly (Papilio machaon) in flower border, Norfolk Broads, UK, June

Ernie Janes / Flower border in the Spider garden, Hoveton Hall, Norfolk, UK, June

Konstantin Mikhailov / Alpine poppy (Papaver alpinus cf. altaicus) in flower, S Altai Region (plateau Ukok at the border between Russia and China, 4000m) Russia, June

LYNN M. STONE / Portrait of male Golden Retriever, sitting in garden, with flower border, Batavia, Illinois, USA

LYNN M. STONE / Head portrait of fawn coloured Boxerwith natural ears, sitting by flower border, Illinois, USA

LYNN M. STONE / Head portrait of fawn coloured Boxer with natural ears, sitting by flower border, Illinois, USA

LYNN M. STONE / Head portrait of "Flashy fawn" coloured Boxer with cropped ears, standing by flower border, Illinois, USA

LYNN M. STONE / Portrait of fawn coloured Boxer, with natural ears, standing by flower border, with tail docked. Illinois, USA

LYNN M. STONE / Portrait of fawn coloured Boxer, with natural ears, standing by flower border, with tail docked. Illinois, USA

LYNN M. STONE / Portrait of "Flashy fawn" coloured Boxer with cropped ears, standing by flower border, with tail docked. Illinois, USA

LYNN M. STONE / Portrait of "Flashy fawn" coloured Boxer with cropped ears, standing by flower border, with tail docked. Illinois, USA

LYNN M. STONE / Portrait of fawn-colored Boxer with natural ears, sitting by flower border, Illinois, USA

LYNN M. STONE / Portrait of fawn-colored Boxer with natural ears, sitting by flower border, Illinois, USA

Paul Hobson / Hedgehog (Erinaceus europaeus) released adult in flower border, Sheffield, UK

Gary K. Smith / Dahlia border in full flower in summer garden, Norfolk, UK, August

Gary K. Smith / Dahlia border in full flower in summer garden, Norfolk, UK, August

Mark Raycroft / Border Collie (Canis familiaris) panting

Mark Raycroft / Border Collie (Canis familiaris) two black and white adults sitting together among yellow flowers

Mark Raycroft / Border Collie (Canis familiaris) adult portrait sitting amid wildflowers

Mark Raycroft / Border Collie (Canis familiaris) portrait of puppy among garden flowers including Petunias and Marigolds

Mark Raycroft / Border Collie (Canis familiaris) adult resting on lawn next to flowers

Mark Raycroft / Border Collie (Canis familiaris) puppy playing in purple flowers