The 'Heatwave' series are big workhorses in our gardens, and 'Glimmer' is another member that just blooms and blooms. It is relatively short growing, to only 2 feet tall, with lots of branching and dark green foliage. The flowers are a creamy white, almost a very light light yellow, tinged with the slightest amount of pink, and a black calyx. This Salvia will bloom well even in half day shade.