Derek Galon / Timelapse of Walking iris (Neomarica caerulea) flowers opening. Controlled conditions, native to Brazil.

Konrad Wothe / Gladiolus (Gladiolus palustris) flowering with meadow brown butterfly (Maniola jurtina), Upper Bavaria, Germany.

Edwin Giesbers / Sword-grass moth (Xylena exsoleta) caterpillar on Field gladiolus (Gladiolus italicus). Cyprus. April.

TJ Rich / Black working cocker spaniel in bluebells, in beech woodland, Micheldever Woods, Hampshire, UK

Andy Rouse / Red fox, (Vulpes vulpes), in bluebells, UK

Adam Burton / Bluebells and beech trees in West Woods, Wiltshire, England, UK. May 2013.

Terry Whittaker / Water vole (Arvicola amphibius) feeding on Yellow flag iris (Iris pseudacorus) seed pods, Kent, England, UK. October.

Ben Hall / Red fox (Vulpes vulpes) peering from behind tree with bluebells in foreground, Cheshire, June.

Martin Gabriel / Firefly crocus (Crocus sieberi) flowers in snow, Bavaria, Germany, March.

Paul Harcourt Davies / Spring Crocus (Crocus vernus) in flower in snow, Campo Imperatore, Gran Sasso, Appennines, Abruzzo, Italy, May

Linda Pitkin / Stinking iris (Iris foetidissima) seed pods with red berries. Surrey, England, UK. October.

Linda Pitkin / Iris (Iris pseudacorus) flower and seed pod illustration.

Adrian Davies / Stinking iris (Iris foetidissima) pods with seeds emerging. Surrey, England, UK. August.

Ernie Janes / Algerian iris (Iris unguicularis) in flower, cultivated plant, Norfolk, England, UK. March.

Paul Harcourt Davies / White crocus (Crocus vernus albiflorus). Sella massif, Dolomites, Italy. June.

Paul Harcourt Davies / White crocus (Crocus vernus albiflorus). Sella massif, Dolomites, Italy. June.

Paul Harcourt Davies / White crocus (Crocus vernus albiflorus). Sella massif, Dolomites, Trentino-Alto Adige, Italy. June 2019.

Paul Harcourt Davies / White crocus (Crocus vernus albiflorus) in grassland, mountains of Sella massif in background. Dolomites, Trentino-Alto Adige, Italy. June 2019.

Paul Harcourt Davies / White crocus (Crocus vernus albiflorus) in alpine meadow in spring. Sella massif, Dolomites, Trentino-Alto Adige, Italy. June 2019.

Paul Harcourt Davies / White crocus (Crocus vernus albiflorus), mountains of the Sella massif in background. Dolomites, Italy. June.

Ingo Arndt / Honey bee (Apis mellifera) feeding on Crocus flower (Crocus vernus) flowering ) in spring, Germany.

Guy Edwardes / Crocus (Crocus sativus). Lyme Regis, Dorset, England, UK. February.

Derek Galon / Walking iris (Neomarica gracilis). Dominica, Lesser Antilles.

Derek Galon / Walking iris (Neomarica gracilis). Dominica, Lesser Antilles.

Derek Galon / Walking iris (Neomarica gracilis). Dominica, Lesser Antilles.

Derek Galon / Walking iris (Neomarica gracilis), Dominica, Lesser Antilles. 2020.

Niall Benvie / Bluebell (Hyacinthoides non-scripta) agianst white background, Mull, Scotland

Nigel Cattlin / Flower of Stinking iris (Iris foetidissima) in woodland, Berkshire, England, UK, June

Linda Pitkin / Yellow iris (Iris pseudacorus). River Thames Path, Hampton Court, Richmond Upon Thames, England, UK. May.

Ross Hoddinott / Male broad-bodied chaser (Libellula depressa) dragonfly resting on yellow flag iris flower bud (Iris pseudacorus), Broxwater, Cornwall, UK. May.

Marie Read / Crocuses flowering in snow, late March 2020, New York State, USA.

Ross Hoddinott / Artistic shot of immature woodland and bluebells at Broxwater, Cornwall, UK. April.

Ross Hoddinott / Four-spotted chaser dragionfly (Libellula quadrimaculata) dragonfly resting on Yellow Flag Iris flower bud (Iris pseudacorus), early morning, Broxwater, Cornwall, UK. May .

Linda Pitkin / Stinking Iris (Iris foetidissima var. citrina) Quarry Hangers Surrey Wildlife Trust Reserve, England, June.

Linda Pitkin / Stinking Iris (Iris foetidissima) Fraser Down Surrey Wildlife Trust Reserve, Betchworth, Surrey, England, June.

Steve Nicholls / Cultivated spring crocus (Crocus vernus) with honey bees (Apis melifera) UK, March.

Steve Nicholls / Spring crocus (Crocus vernus) naturalised at Inkpen Crocus Field, Berkshire, England, UK, March.

Jean E. Roche / Iris chamaeiris flowers, Salagou, Languedoc, France. March 2019.

Konrad Wothe / Siberian Iris (Iris sibirica) Upper Bavaria, Germany. May.

Will Watson / Yellow Iris (Iris pseudacorus), natural woodland pond, Shatsky National Natural Park, Volyn Oblast, Ukraine, May.

David Pike / German Short-haired Pointer amongst ferns and bluebells,

Andy Sands / Orange tip butterfly (Anthocharis cardamines) on bluebell flower in English woodland, Hertfordshire, England, UK, April.

Heather Angel / Solitary bee (Apoidea) feeding on Crocus (Crocus korolkowii), covered in pollen. Ansob Pass, Tajikistan. April.

Heather Angel / Crocus (Crocus sp) flower from above, closing in evening. Focus stacked.

Heather Angel / Water tulip (Cypella aquatilis) from above, in garden pond. Native to Brazil.

Heather Angel / Celandine crocus (Crocus korolkowii) carpets in areas of snowmelt. Near Ansob Pass, Tajikistan. April 2014.

Heather Angel / Hopliine scarab beetle (Clania glenlyonensis) pair mating on Harlequin hesperantha (Hesperantha vaginata) flower. Glen Lyon Farm / Hantam National Botanical Garden, Northern Cape, South Africa. August...

Heather Angel / Long-horned bee (Eucera sp.), two crawling into Wild gladiolus (Gladiolus atroviolaceus) flower to roost at night. Turkey. May.