1. "They're rhododendrons ! " he barked. 2. The trick to success with rhododendrons is to plant them right. 3. I hiked up through rhododendron as thick as it could be. 4. The really showy rhododendrons seem to bloom themselves out in spring. 5. Rhododendron late Jan to early Feb 4 to 6 weeks 1 week6. Neither will hydrangeas, rhododendrons , azaleas, lilacs or lilies. 7. These have been progressively incorporated into " Rhododendron ". 8. McLeodGanj is surrounded by pine, Himalayan oak, and rhododendron . 9. The route is scenic with forests of rhododendrons blooming in spring. 10. Grazing and disturbance of vegetation greatly aids the spread of rhododendron .