Wallpapers with floral motifs will make your home very springy, choose a wall that you want to highlight with floral motifs.
Make a floral painting on some piece of furniture, or use stickers with floral motifs,
Cushions with floral prints contribute to a decor with a spring "vibe".
Floral curtain, also gives a good more serene air, in the decor.
Composing an environment with flowers, and floral motifs, also brings that good energy of privacy.
That touch, how about a floral frame, to give that highlight.
With no headboard idea, how about one with flowers, it will look very stylish and bring peace of mind.