R. 'J. Edgar Hoover'
Rhododendron Hybrid
| Hybridized By | Seabrook, Cecil S. |
| Seed Parent | R. 'Ivery's Scarlet' |
| Pollen Parent | R. 'Francis Hanger Group' |
| Introduced | 1966 |
| 10 Year Height | ? |
| Bloom Time | late |
| Flower | campanulate |
| Flower Color | ? |
| Fragrance | ? |
| Leaves | ? |
| Leaf persistence | ? |
| Plant Hardiness | ? |
| Flower Bud Hardiness |
? |
| Registration | Registered |