R. 'Alarm'
Rhododendron Hybrid
| Hybridized By | Waterer, H. (Knaphill) |
| Seed Parent | R. maximum |
| Pollen Parent | ? |
| Introduced | 1860 |
| 10 Year Height | 300 cm. (10ft.) |
| Bloom Time | late |
| Flower | campanulate |
| Flower Color | ? |
| Fragrance | ? |
| Leaves | oblanceolate |
| Leaf persistence | ? |
| Minimum Hardiness | ? |
| Registration | Registered |
