Steve Downer / Timelapse of Sycamore tree (Acer pseudoplatanus) leaves developing, UK. March. Controlled conditions.

Jeff Rotman / Person holding large Cannabis bud, in organic Marijuana farm, Pueblo, Colorado, USA, June 2015. . Marijuana has legalized in the state of Colorado, and this farm produces Marijuana for medical and ret...

Donald M. Jones / White-tailed Ptarmigan (Lagopus leucura) in winter feeding on buds, western Alberta, Canada

Ernie Janes / Blue tit (Cyanistes caeruleus) hanging on Pussy willow branch, Norfolk, England, UK, April.

Cyril Ruoso / Banana (Musa sp) flower, Democratic Republic of the Congo

Stephen Dalton / Ringlet (Aphantopus hyperantus) in flight - the tatty rear wing indicating that this butterfly is nearing the end of its life, controlled conditions.

Alex Hyde / Bud wing mantis (Parasphendale affinis) juvenile, on a white background, originating from Africa. Captive.

Nick Upton / 2020VISION / Rose aphids (Macrosiphum rosae) feeding on rose bud (Rosa sp.) in garden with house in the background, Wiltshire, England, UK, April . Property released.

Colin Varndell / Ramsons / Wild Garlic / Buckrams (Allium ursinum) flower bud opening. Dorset, UK, April.

Rob Tilley / King Protea (Protea cynaroides) bud close-up detail. Maui, Hawaii, February.

Guy Edwardes / 2020VISION / Pussy willow catkin (Salix caprea) bursting out from bud, Somerset Levels, Somerset, England, UK, April

Simon Colmer / Spindle tree (Euonymus europaeus) twig, buds and seedcase in winter, UK