R. 'Grandma Larson'
Rhododendron Hybrid
| Hybridized By | McClure, D.K., 1965 |
| Seed Parent | R. 'Fusilier Group x strigillosum' |
| Pollen Parent | R. 'Gina' |
| 10 Year Height | 150 cm. (5ft.) |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | elliptic |
| Winter Foliage | ? |
| Hardiness | ? |
| Status | IRRC registered. |