White Thorn
Classification:
2 W-W[ Large-Cupped ]
Season:
Mid-Season
Height:
Standard - 32.5 to 67.5 cm (12.8 to 26.6 in)
Registered:
Yes, 2003
Seed Parent: 
Silver Convention 1 W-W 
John S.B. Lea, England
Year Registered: 1978
1-47-64 (Passionale x Rose Royale) x 1-25-62 (Passionale x Rose Royale)
Silver Convention
Pollen Parent: 
Blanco Sol 2 W-W 
Colin Crotty, New Zealand
Year of first flowering: 1986
Seafarer x Canisp
Blanco Sol
Seedling Number:
16-03
Descendants:
None
Comments

Fl. 95 to 100 mm diameter; perianth is the shape of a double triangle. Sometimes opens with a blush of pink in the corona, turns pure white at maturity. First flowered in 2003.