I think that this unique sunflower picture can be a good alternative for customizing your desktop background. Featured with unusual color of sunflower, this picture was especially configured in 4K resolution. So, you will get this picture in 3840x2160 by downloading it in original size.
Sunflower also known as Helianthus flower, the name of sunflower is referring to their heads which called heliotropism. The wild sunflower is native to North America but commercialization of the plant took place in Russia. It was only recently that the sunflower plant returned to North America to become a cultivated crop. Sunflowers do like a lot of water and thrive when given a regular daily watering.
Picture of sunflower can be an alternative for nature wallpaper. I have a lot of pictures of sunflower that you can get from this site. Furthermore, here are several best pictures of sunflower in high resolution.
Sunflower Pictures for Wallpaper
Unique Sunflower Picture in 4K for Nature Wallpaper