Advice for natural plant images
To bring the gentleness and comfort for natural plant images and flowers as well, you should take careful note of 2 following elements, namely background and bokeh background.
To enhance the blurriness, you can set your camera at A and Maximum aperture mode.
Create bokeh background effect
To shoot the gentle and great colors of the natural plant images, it’s very important for you to understand how to express its background.
You can take a brief look at the following guides, such as blurring-caused elements, or shooting procedure.
In specific, stand the closest as possible to the subjects and shoot at the Telephoto of the lens. Simple shooting procedure helps increase the blurriness of the background and highlight the main plants or flowers.
These tips allow you to take such the strange, unique and wonderful photos.
 Focal length: 55 mm  Focal length: 210 mm
2 above images are shot with 2 different focal lengths of 55mm and 210mm, respectively. You can see that the photo of higher focal length expresses more blurriness and more notable freshness of the flower.
If you have a telephoto lens, use it for a better background.
Additionally, the photo  seems more creative with the strange background color. By applying the conflicting green to the red of the entire background, the flower becomes more remarkable.
Why don’t use shoot the flowers or plants with different angles of camera and various background? Then what you need is to choose the nicest photo.
Adjust brightness and darkness
According to photographyprof.com, If you adjust your image a little brighter, the flower will look gentler and softer. In the following example, the picture  is taken with automatically adjusted aperture.
Because of the bright background, the flower becomes pretty darker. This technique expresses enough the colors and shapes of the flower but lacks natural rose-color.
Adjusted more the exposure compensation, the picture  creates more gentleness and softness.
Exposure compensation: 0  Exposure compensation: +1,3
Similarly, if you shoot photos inside home or places where you can control the light angles, why don’t you install the flower so that the main subject is well-lighted with the light source behind.
If possible, use the light shining through the curtain instead of directly shining from the sun. Plus, you can shoot on a cloudy day. They’re some basic conditions for gentle light.
Read more: 7 Mistakes about HDR images
Use a macro lens for natural plant images
If you shoot the plants, flowers or some tiny items, you can stand close to the subject and shoot close-up its details. But, every lens has its own minimum focusing range, which limits the distance between your lens with the subjects.
A “macro lens” is a lens which is used for close-up photos. It allows you to stand close to the subjects and shoot macro images.
Focal length: 30mm / Aperture f: 2.8 / Shutter speed: 1/80 second Exposure compensation: +1,3
Focal length: 30mm / Aperture f: 3.5 / Shutter speed: 1/15 second Exposure compensation: +2,0
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