Daylily
'Blue Happiness' (Spalding-W., 1975)

| Ploidy : | Diploid |
| Bloom season : | Early |
| Foliage type : | Semi-Evergreen |
| Rebloom : | No |
| Fragrance : | Not fragrant |
| Scape height : | 21 |
| Bloom size : | 7 |
| Bloom habit : | Extended |
| Shape : | Simple |
| Seedling : | 73-40 |
| Description : Rose with blue edging and green throat. | |
| Parentage Descendant | |||
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