Philippe Clement / Annual honesty (Lunaria annua) in flower in wildflower garden in spring, Flanders, Belgium. May.

Andy Sands / Common snipe (Gallinago gallinago) feeding in frost-covered Watercress (Nasturtium officinale) bed in winter, Hertfordshire, England, UK. December

Robin Chittenden / Sea kale (Crambe maritima) in flower along shingle beach, Suffolk, England, UK. June.

Axel Gomille / Rapeseed (Brassica napus) crop in flower, with trees and Mistletoe (Viscum sp.), Saxony, Germany. May, 2021.

Nigel Cattlin / Farmer covering Cauliflower (Brassica oleracea botrytis) seedlings with polythene, Lincolnshire, UK, April.

Nigel Cattlin / Cauliflower (Brassica oleracea botrytis) with flowering curd, Devon, August.

Nigel Cattlin / Cauliflower (Brassica oleracea botrytis) bought cut and trimmed from supermarket, UK.

Nigel Cattlin / Three harvested 'Amadeus' Cauliflowers (Brassica oleracea botrytis) placed beside plant in field, Lincolnshire, UK.

Nigel Cattlin / Cauliflower (Brassica oleracea botrytis) with flowering curd, Devon, August.

Paul Harcourt Davies / Dyer's alkanet (Alkanna tinctoria), Basket of gold (Alyssum saxatile) and Star of Bethlehem (Ornithogalum umbellatum) in flower on rocky ground, Gargano, Puglia, Italy. April.

Paul Harcourt Davies / Rosy cress (Arabis collina) in flower, Santa Maria di Pulsano, Gargano, Puglia, Italy. April.

Paul Harcourt Davies / Gargano aubrieta (Aubrieta columnae italica) in flower on limestone rock, Monte Sant Angelo, Gargano, Puglia, Italy. April.

Paul Harcourt Davies / Golden alyssum (Alyssum saxatile) in flower on rocky limestone ground, nr Monte Saint Angelo, Gargano, Puglia, Italy. April.

Paul Harcourt Davies / Gargano pansies (Viola heterophylla graeca) with Golden alyssum (Alyssum saxatile) in flower at edge of woodland, nr San Giovanni Rotondo, Gargano Peninsula, Italy. April.

Paul Harcourt Davies / Seven-leaflet bittercress (Cardamine heptaphylla) flowering in woodland, Il Sasseto, Torre Alfina, Lazio, Italy. April.

Paul Harcourt Davies / Appennine treacle mustard (Erysimum pseudorhaeticum) in flower, Simbruini Mountains, Apennines, Italy, June.

Paul Harcourt Davies / Virginia stock (Malcolmia maritima) in flower, Kardamili, Peloponnese, Greece. March.

Bret Charman / Roe deer (Capreolus capreolus) buck, standing in field of flowering Rapeseed (Brassica napus) at dusk, South Downs National Park, Hampshire, UK. May.

Bret Charman / Roe deer (Capreolus capreolus) buck, standing in field of flowering Rapeseed (Brassica napus) at dusk, South Downs National Park, Hampshire, UK. May.

Will Watson / Rainbow greenclock (Poecilus versicolor) resting on Oilseed rape (Brassica napus) flower, Herefordshire Lowlands, England, UK. April.

Philippe Clement / Common scurvygrass (Cochlearia officinalis) in flower in spring, Europe. April.

Jack Dykinga / Profusion of flowering Bladderpods (Lesquerella arizonica) and Fiddlenecks (Amsinckia menziesii var. intermedia) at sunset, covering the desert floor following an above average winter rain, Barry M Go...

Linda Pitkin / Female Orange-tip butterfly (Anthocharis cardamines) feeding on Dame's violet (Hesperis matronalis) flower. River Ouse, Sussex, UK. May.

Linda Pitkin / Female Orange-tip butterfly (Anthocharis cardamines) feeding on Dame's violet (Hesperis matronalis) flower. River Ouse, Sussex, UK. May.

Linda Pitkin / Male Orange-tip butterfly (Anthocharis cardamines) feeding on Dame's violet (Hesperis matronalis) flower. River Ouse, Sussex, UK. May.

Linda Pitkin / Dame's violet (Hesperis matronalis) in flower. River Ouse, Sussex, UK. May.

Konrad Wothe / Orangetip butterfly (Anthocharis cardamines) male resting on Cuckoo flower (Cardamine pratensis), Upper Bavaria, Germany. April.

Adrian Davies / Common scurvy grass (Cochlearia officinalis) on cliff top, Port Isaac, Cornwall, UK, April.

Adrian Davies / Common scurvy grass (Cochlearia officinalis) Port Isaac, Cornwall, April.

Nigel Cattlin / Hedge mustard (Sisymbrium officinale) in flower, Berkshire, UK. June.

Nigel Cattlin / Hedge mustard (Sisymbrium officinale) in flower on waste ground, Berkshire, UK. July.

Andy Sands / Orange tip butterfly (Anthocharis cardamines) roosting at dawn on Cuckooflower (Cardamine pratensis), one of its larval food plants. Hertfordshire, England., UK. May. Focus Stacked.

Andy Sands / Two Orange tip butterfly (Anthocharis cardamines) roosting at dawn on Cuckooflower (Cardamine pratensis), one of its larval food plants. Hertfordshire, England., UK. May. Focus Stacked.

Pal Hermansen / Rapeseed (Brassica napus) crop affected by drought. Viken, Norway. May.

Pal Hermansen / Rapeseed (Brassica napus) crop affected by drought. Viken, Norway. May.

Mike Read / Sea kale (Crambe maritima) growing on shingle beach, Chesil Beach, Dorset, England, UK. July.

Mike Read / Yellow horned-poppy (Glaucium flavum) with Sea kale (Crambe maritima) growing on shingle beyond, Chesil Beach, Dorset, England, UK. July.

Paul Harcourt Davies / Austrian yellow-cress (Rorippa austriaca) in flower close to water, Rieti, Umbria, Italy. May.

Paul Harcourt Davies / Rock candytuft (Iberis saxatils) flowering on rocky scree, Gran Sasso, Abruzzo, Italy. May.

Paul Harcourt Davies / Celandine-leaved cress (Cardamine chelidonia) in flower, Civita Castellana, Lazio, Italy. May.

Paul Harcourt Davies / Orange tip butterfly (Anthocharis cardamines) caterpillar crawling over Garlic mustard (Alliaria petiolata) leaf, Orvieto, Umbria, Italy. April.

Paul Harcourt Davies / Yellow whitlow grass (Draba aizoides) in flower, Col di Rodella, Dolomites, Italy. June.

Paul Harcourt Davies / Fibigia (Fibigia clypeata) in flower, Sibillini, Umbria, Italy. May.

Paul Harcourt Davies / Small alyssum / alison (Alyssum alyssoides) in flower, Sibillini, Umbria, Italy. May.

Paul Harcourt Davies / Small alyssum / alison (Alyssum alyssoides) in flower, Sibillini, Umbria, Italy. May.

Paul Harcourt Davies / Apennine wallflower (Erysimum pseudorhaeticum), Basil thyme (Acinos arvensis) and Alpine forget-me-not (Myosotis alpina) in flower above the Piano Grande plateau, Sibillini, Umbria, Italy. June.

Paul Harcourt Davies / Alpine forget-me-not (Myosotis alpina) with Apennine wallflower (Erysimum pseudorhaeticum) and Grape hyacinth (Muscari commutatum) in flower, with Mount Vettore in the background above the Piano Grand...

Paul Harcourt Davies / Alpine forget-me-not (Myosotis alpina) with Apennine wallflower (Erysimum pseudorhaeticum) and Grape hyacinth (Muscari commutatum) in flower, with Mount Vettore in the background above the Piano Grand...

Paul Harcourt Davies / Apennine treacle mustard (Erysimum pseudorhaeticum) endemic to the central Apennines, in flower, Gran Sasso, Abruzzo, Italy. June.

Paul Harcourt Davies / Orange tip butterfly (Anthocharis cardamines) caterpillar camouflaged on Garlic mustard (Alliaria petiolata) plant, Orvieto, Umbria, Italy. April.

Paul Harcourt Davies / Orange tip butterfly (Anthocharis cardamines) caterpillar camouflaged on Garlic mustard (Alliaria petiolata) plant, Orvieto, Umbria, Italy. April.

Paul Harcourt Davies / Orange tip butterfly (Anthocharis cardamines) egg just before hatching, laid on the larval foodplant, Garlic mustard (Alliaria petiolata), Podere Montecucco, Orvieto, Umbria, Italy. April.

Paul Harcourt Davies / Orange tip butterfly (Anthocharis cardamines) egg, just after being deposited by the female, on the larval foodplant Garlic mustard (Alliaria petiolata), Podere Montecucco, Orvieto, Umbria, Italy. Apr...

Paul Harcourt Davies / Apennine woad (Isatis apennina) flowering on limestone scree above the snow line, Terminillo, Lazio, Italy. July.

Adrian Davies / Sea kale (Crambe maritima) flowering on shingle beach, Dungeness, Kent, UK. June.

Adrian Davies / Sea kale (Crambe maritima) flowering on shingle beach, Dungeness, Kent, UK. June.

Adrian Davies / Sea kale (Crambe maritima) flowering on shingle beach, Dungeness, Kent, UK. June.

Adrian Davies / Sea kale (Crambe maritima) flowering on shingle beach, Dungeness, Kent, UK. June.

Nick Upton / Hairy rock-cress (Arabis hirsuta) flowering, Kenfig National Nature Reserve, Glamorgan, Wales, UK, May.

Nick Upton / Sea stock (Matthiola sinuata) flowering, Kenfig National Nature Reserve, Glamorgan, Wales, UK, June.

Nick Upton / Sea stock (Matthiola sinuata) flowering on coastal sand dunes, Kenfig National Nature Reserve, Glamorgan, Wales, UK, June.

Nigel Cattlin / Mealy cabbage aphid / Cabbage aphid (Brevicoryne brassicae) infestation on an Oilseed rape (Brassica napus) stem and seed head, Berkshire, UK. June.

Nigel Cattlin / Turnip weevil / Cabbage seed weevil (Ceutorhynchus assimilis) larva feeding in damaged Oilseed rape (Brassica napus) seedpod, England, UK. June.

Nigel Cattlin / Seven-spot ladybird (Coccinella septempunctata) larva preying and feeding on Cabbage aphids (Brevicoryne brassicae) on Oilseed rape (Brassica napus), Berkshire, UK. May

Will Watson / Wavy bittercress (Cardamine flexuosa) flowers and leaves, Herefordshire, England, UK. April. Focus stacked.

Nigel Cattlin / Leaf canker (Leptosphaeria maculans) lesion with black pycnidia on the leaf of Oilseed rape (Brassica napus) .

Nigel Cattlin / Cabbage ring-spot (Mycosphaerella brassicicola), acircular fungus disease, lesions on Cabbage (Brassica oleracea) leaf, Berkshire, UK. November.

Nigel Cattlin / Oilseed rape / Canola (Brassica napus) seedling with one true leaf & the second one forming against soil background.

Nigel Cattlin / Oilseed rape / Canola (Brassica napus) seedling with one true leaf & the second one forming against soil background.

Ingo Arndt / Cuckoo flower / Lady's smock (Cardamine pratensis) and Dandelion (Taraxacum officinale) flowering in a meadow, Hessen, Germany. May.

Nick Upton / Dame's violet / Dame's rocket (Hesperis matronalis) flowering at woodland edge, West Sussex, UK. June.

Nick Upton / Dame's violet / Dame's rocket (Hesperis matronalis) flowering at woodland edge, West Sussex, UK. June.

Nick Upton / Sea radish (Raphanus raphanistrum maritimus) and Foxgloves (Digitalis purpurea) flowering by an old stone wall along the coast path, Lizard Point, Cornwall, UK. June.

Nick Upton / Sea radish (Raphanus raphanistrum maritimus) and Foxgloves (Digitalis purpurea) flowering along a country road near the coast, Lizard Point, Cornwall, UK. June.

Nick Upton / Sea radish (Raphanus raphanistrum maritimus) and Foxgloves (Digitalis purpurea) flowering along a country road near the coast, Lizard Point, Cornwall, UK. June.

Nick Upton / Coralroot (Cardamine bulbifera), a rare plant in the UK, with distinctive bulbils on the stem which can drop off and take root, flowering in calcareous woodland, near Bath, UK. April.

Nick Upton / Coralroot (Cardamine bulbifera), a rare plant in the UK, with distinctive bulbils on the stem which can drop off and take root, flowering in calcareous woodland, near Bath, UK. April.

Nick Upton / Coralroot (Cardamine bulbifera), a rare plant in the UK with distinctive bulbils on the stem which can drop off and take root, flowering, close up, near Bath, UK. April.

Nick Upton / Annual honesty (Lunaria annua) flowering in a farmland hedgerow, Marlborough Downs, Wiltshire, UK. May.

Nick Upton / Sea cabbage (Brassica oleracea var. oleracea) flowering on coastal cliff top, Durlston Country Park, Dorset, UK. May.

Nick Upton / Sea cabbage (Brassica oleracea var. oleracea) clumps flowering on coastal cliff top, Durlston Country Park, Dorset, UK. May.

Ross Hoddinott / Lady's smock (Cardamine pratensis) in flower. Combe Valley, Cornwall, UK. May 2019.

John Waters / Wild cabbage (Brassica oleracea) growing along pebbly beach, Scotland, UK. September.

Adrian Davies / Cabbage (Brassica oleracea) leaf transilluminated showing vein detail.

Nick Upton / St. Mark's fly / Hawthorn fly (Bibio marci) mating pair on grass blade with flowering field of Oilseed rape (Brassica napus) in the background, Marlborough Downs, Wiltshire, UK. May.

SCOTLAND: The Big Picture / Yellow wagtail (Motacilla flava) perched among flowering Rapeseed (Brassica napus), Scotland, UK. May.

Nigel Cattlin / Bladder pod midge (Dasineura brassicae) damage to Oilseed rape / Canola (Brassica napus) seed pods.

Nigel Cattlin / Bladder pod midge (Dasineura brassicae) larvae in damaged Oilseed rape / Canola (Brassica napus) seed pod.

Nigel Cattlin / Garlic mustard / Hedge garlic (Alliaria petiolata), young plant weed, Berkshire, England, UK. March.

Nigel Cattlin / Hairy bittercress (Cardamine hirsuta) weed, beginning to flower in a garden flowerbed, Berkshire, England, UK. February.

Linda Pitkin / Common whitlowgrass (Erophila verna) in flower, growing at edge of pavement, Surrey, England. March.

Linda Pitkin / Common whitlowgrass (Erophila verna) in flower, growing at edge of pavement, Surrey, England. March.

Linda Pitkin / Common whitlowgrass (Erophila verna) in flower, growing at edge of pavement, Surrey, England. March.

Linda Pitkin / Common whitlowgrass (Erophila verna) in flower, growing at edge of pavement, Surrey, England. March.

Linda Pitkin / Field mustard (Brassica rapa) in flower, in area used for sacrificial crop growing for birds, Surrey, England. April.