Crocuses are usually one of the first flowers to bloom in the spring, poking up through snow and sludge to add shades of green and purple to the gray. However, you don't have to wait until the ...

The photo shows a small cluster of delicate crocuses pushing their way up through a footpath edge.

Crocuses are thermoperiodic plants, which means they rely on temperature cues rather than day length to dictate their lifecycle. Their corms (a type of bulb) also usually need a cold spell in autumn ...