So far I am not as impressed with this quadruple hybrid as I am with several other cultivars in this category.  It does bloom before many of the Saunders hybrids and its early bloom time is appreciated.  

Cultivar: Srarlight
Year: 1949
Seedling No: 16285.
Parentage: 28: lactiflora X (officinalis X (mlokosewitschii X macrophylla))
Flower: Color: ivory with faint pink in center, fading to pure white
Form: single, 2 rows of about 10 petals
Blooms: Week 3
Carpels: 2, pale green, glabrous
Stigmas: blush white
Disc: white, partial, obscure
Stamens: filaments light yellow
Plant: Habit: rounded bush
Foliage color: medium green
Foliage form: narrow leaves, not lobed
Height: 23″ in 2021
Recommendation: Collectors’ plant
Availability: Few specialty nurseries