Rhododendrons and Wisteria

The Rhododendrons have really flowered well this year, maybe due to lots of rain over winter and mild temperatures.  They are a spectacular plant that flowers for several weeks based on good weather and soil conditions.  We have several different varieties which makes the plant diversity a unique sight to behold.  We fertilize with Cool Weather Special, a fertilizer from Wilbur Ellis, and that seems to give it the right amount of nutrients it needs. Also the Wisteria is blooming the best it has in a while, so that it exciting, too.  It takes timing, and several prunings throughout the year.  It can become invasive and climb up nearby trees, if we don't keep up on the maintenance.  As we have learned before...