Ernie Janes / Cosmos and chrysanthemum 'Sunshine' growing in garden, UK, August.

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.

Loic Poidevin / Cosmos (Cosmos bipinnatus) and Cornflower (Centaura cyanus) Breton Marsh, France, August.

Pascal Pittorino / Cosmea / Cosmos flower (Cosmos bipinnatus) cultivated in garden, Alpes de Haute Provence, France, August.

Nick Upton / Pink and white Mexican aster (Cosmos bipinnatus) flowers, a garden escape, growing in profusion in Gascony, France. 2008

Nick Upton / Pink and white Mexican aster (Cosmos bipinnatus) flowers, a garden escape, growing in profusion in Gascony, France. 2008

David Noton / {Cosmos bipinnatus} in a Dorset garden, England, UK

Richard Du Toit / Garden Cosmos (Cosmos bipinnatus), Mpumalanga Highveld, South Africa

Juergen & Christine Sohns / Garden Cosmos (Cosmos bipinnatus) flower, Germany

Alan Williams / Hoverfly (Syrphus ribesii) feeding on Cosmos (Cosmos bipinnatus) flower in garden, Cheshire, UK, June.

Pascal Pittorino / Silver-spotted skipper butterfly (Hesperia comma) female feeding on a cosmos flower (Cosmos bipinnatus) in a garden, Grands Causses Regional Natural Park, Lozere, France, August

Pascal Pittorino / Clouded yellow butterfly (Colias croceus) feeding on a cosmos flower (Cosmos bipinnatus) in a garden, Grands Causses Regional Natural Park, Lozere, France, October