The carnaby will bloom from June and September, and will grow to ten feet high and three feet wide.
Another type of evergreen clematis is the Niobe clematis.
This evergreen clematis has dark red blooms and bright gold anthers.
The Niobe will bloom from June through July and range in height from six feet to ten feet. The foliage is dark green and makes a lovely contrast with the boldness of the blooms.
A third evergreen clematis is the Ernest Markham clematis.
This evergreen clematis has dark magenta blooms that appear in July and last until mid August.
The blooms of this evergreen clematis are approximately four to six inches wide, and the plant will grow to a height of twelve to fifteen feet. The foliage of this clematis is also a very dark green.