Never underestimate what one brush can do. As example, each of the illustrated flowers were painted from stem to petal and leaf using only a dagger. The results are dependent on how the brush is loaded, in what direction it's pulled and how much pressure to use for width. Turning the brush, as with a blade leaf, also creates more possibilities. For the iris, some of the petals were painted using more of the side of the dagger.
The dagger can be side loaded, or it can be double loaded with two colors on the chisel blade. As with the sinle pink bloom, a single stroke painted each petal, then a stroke was pulled from the center out to shade the inside of the flower while blending into the first color.
Some of the very small petals such as in the blue flower, only the tip of the dagger was used. When pressed, the outside edge will become rounded, pulling up quick creates the pointed finish on petals and leaves.
Daggers work well for pine needles, any number of flower petals and leaves. Also, field grasses, weeds, cattails and wildflowers can be painted. The dagger is a favorite brush for may painters to create beautiful ribbon. Palm fronds, fern, wheat and pine trees are other possiblities.
So load up that dagger and start painting and see what you can discover.