Nemesia caerulea is a slender perennial herb that can grow up to 600mm tall. The stems are usually simple, leafy below and sometimes branching at the base. The leaves are about 25x12mm large with thickened toothed margins and are stalkless. The flowers are borne in terminal clusters of 25-75mm, while the flowers are 8-10mm long, blue or purple with a yellow or white mouth and hairy. The flowers are borne between September and January.
Nemesia caerulea is a beautiful perennial herb with lovely flowers that attract pollinating insects. It is ideal for a mixed border or pots.