High Calibre
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:
3-03
Descendants:
None
Comments

Fl. 100 mm. Diameter; perianth is a double triangle in shape; corona is long and tapering. First flowered in 2003.

Origin of Name

Named for its seedling No. 3-03, which is the bore size of a large rifle.