Musschia is a genus of two sub-shrub species, M. aurea and M. wollastonii.
M.aurea has golden yellow flowers and is between 1 and 2 feet tall. M. wollastonii, below, is taller at 2 to 6 feet and its flowers a yellowish-green.
Grow them in a well-drained loamy soil, place them in a warm greenhouse. During the winter keep the temperature above 7oC and only water occasionally. In the growing season make sure they are watered well.