Spring Thaw
Classification:
2 W-W[ Large-Cupped ]
Season:
Early to Mid-Season
Height:
Standard - 32.5 to 67.5 cm (12.8 to 26.6 in)
Year of first flowering:
1987
Registered:
Yes, 1999
Seed Parent: 
Broomhill 2 W-W 
Frederick E. Board, England
Year Registered: 1965
Easter Moon x Knowehead
Broomhill
Pollen Parent: 
Arctic Doric 2 W-W 
Guy L. Wilson, Northern Ireland
Year Registered: 1960
33/69 [(Evening x Dava) x (Silver Coin x Dava)] x Snowline
Arctic Doric
Seedling Number:
81-126-1
Descendants:
None
Comments

Fl. forming a double triangle, 90 mm wide; perianth segments ovate, acute, spreading, plane or with margins slightly incurved, smooth and of heavy substance, with midrib showing; corona funnel-shaped, ribbed, with mouth flared and wavy, rim flanged and dentate. Sweetly scented. Resembles an improved ‘Arctic Doric’.