Geoff Simpson / Horse chestnut tree sticky bud opening {Aesculus hippocastanum} England

Will Watson / Male Fallow deer (Dama dama) beneath a Horse chestnut tree (Aesculus hippocastanum), Calke Abbey, Derbyshire, England, UK, September

Alex Hyde / Horse Chestnut (Aesculus hippocastanum} leaves emerging from bud. Peak DIstrict National Park, Derbyshire, UK.

Alex Hyde / Horse Chestnut {Aesculus hippocastanum} leaves emerging from bud. Peak District National Park, Derbyshire, UK.

Sandra Bartocha / Horse Chest-nut (Aesculus hippocastanum), Muritz National Park Germany, May

Laurie Campbell / Horse chestnut (Aesculus hippocastanum) germinating, Isle of Rum National Nature Reserve, Inner Hebrides, Scotland, May

Colin Varndell / Horse-chestnut (Aesculus hippocastanum) blossom and foliage in spring, Gloucestershire, UK, April

Ernie Janes / Leaves and flower of Horse Chestnut tree bursting from bud in spring, black background

Rolf Nussbaumer / Red Buckeye (Aesculus pavia) and Prairie Spiderwort (Tradescantia occidentalis), blooming on forest floor, Palmetto State Park, Gonzales County, Texas, USA, March.

Rolf Nussbaumer / Red Buckeye (Aesculus pavia), blooming, Palmetto State Park, Gonzales County, Texas, USA, March.

Rolf Nussbaumer / Red Buckeye (Aesculus pavia) flowers blooming. Palmetto State Park, Gonzales County, Texas, USA, March.

Nature Production / Japanese Horsechestnut (Aesculus turbinata) winter sticky bud covered in fluff of Japanese silver grass, Japan