Blue Pea Vine (Clitoria ternatea) Posted on March 28, 2009 by Jeff Abt Blue Pea Vine (Clitoria ternatea). This little thing has the most captivating blooms and will easily cover fences and posts up to 10 feet high in a single season. And they will bloom continuously throughout the summer. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)