a watercolor of autumn leaves with warm tones of orange and yellow on a light background

painting pattern produce drawing flower yellow branch autumn poster orange sketch plant petal leaf tree art minimalist pastel artwork soft warm eco watercolor seasonal artistic border delicate elegant rustic frame earthy foliage hand-drawn botanical colours october thanksgiving falling november horizontal people gold woodland backgrounds idyllic cover marketing maple poster oak gardening greeting vacations copy space design element weather peaceful header growth climate lush advertising promotion sale