Brush Techniques for Grass and Trees

I wanted to demonstrate some of the techniques I used in the lab landscape portrait I showed yesterday. This type of landscape, with all the grass and trees detail can seem a little overwhelming if you don't know these tricks. Sorry the pictures are a little blurry, I think I had too much coffee. See my color palette before beginning.
Painting Trees Technique by Kathryn Beals
I used the same brush for the tiny trees on the mountain, the medium-sized trees in the middle and the blades of grass in the foreground. The angle brush is extremely versatile, my favorite brush by far, since you can use it flat-on like a normal flat brush, or sideways like a round brush. If you apply more paint and more pressure, you get wide markings, like the trees in the middle. If you apply light pressure and use less paint, you can make thin markings, like the grass and the trees on the mountains.

To make smoother lines, add more paint (or thin out your paint with
gel medium, to a syrupy consistency). To make rougher lines, use only a little paint, so it goes on unevenly. I like this technique for trees. Make sure you vary the angle you apply paint, so the trees don't all line up in exactly the same direction. By slightly modifying the angle and pressure, you can fill in detail very quickly.

To put the flowerheads on the grass, I used a variation of this technique with a
fan brush:
Using Fan brush to paint grass
When using the fan brush to add texture, I make sure to apply a mix of colors to the bristles, so the objects I'm painting don't look flat. You can do this by actually "painting" the bristles with globs of different colored paint before starting. Use another brush, or just dip your fan brush into some unevenly mixed paint on your palette to get a range of shades.

On the areas around the black labs' feet, I painted in the flowerheads carefully with a
small detail brush. This detail has to be done precisely, because it is very visible and the eye is drawn to the contrast. For the rest of the field, the fan brush provides a more natural look of the overlapping grasses.

The grassy area is roughed in, but still not finished. I will use a tiny brush to put in shadows and highlights to tie it all together:
Portrait of three Labs in Yosemite
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