Kosteriana Variegata is a rounded to upright shrub. It's foliage is dark green, each leaf has a yellow/greenish edge around. As the plant ages this turns to a pale cream. In spring, pale pink flowers appear, these are trumpet shaped  and cover the plant in colour until autumn.  

At a glance:

Deciduous foliage

Pale pink flowers appear in spring

Full sun/partial shade

Well drained fertile soil

Hardy

Will reach a height of 2.5m and a spread of 1.5m over 5-10 years