"Good levels of sunshine and rainfall is needed to build up sugars in the leaves, a lack of rain causes stress for the trees with potentially early shows of yellow or brown autumn colour and leaf ...

Chlorophyll is what makes leaves green. Leaves also contain carotenoids, which produce yellow, orange and brown colors. In the autumn, they begin to produce more anthocyanin, which gives them red ...

Curious why your hydrangea leaves are turning brown? Here we explain common causes, such as water stress, fungal infections, ...

Brown leaves spilled over the ground and crunched ... There is wonder and also wistfulness in autumn's annual spectacle. The curtain of summer heat lifts, singing leaves with shades of orange ...