Commercially available

6 favorite votes.  

Dark red Large-Flowered Climber.
Registration name: Red Flare
Exhibition name: Red Flare

Bred by Quinto Mansuino (Italy, before 1944).
Introduced in United States by Jackson & Perkins Co. in 1954 as 'Red Flare'.

Climber, Large-Flowered Climber.  

Carmine-red, red shading.  Flowers carmin overcast spetrum-red.  Moderate fragrance.  40 petals.  Average diameter 4.25".  Large, full (26-40 petals), borne mostly solitary, cluster-flowered, cupped bloom form.  Occasional repeat later in the season.  

Climbing.  Glossy, dark green foliage.  

Height: 7' to 8' (215 to 245cm).  

USDA zone 6b through 9b (default).  Can be used for garden or pillar.  

United States - Patent No: PP 1,366  on  22 Mar 1955   VIEW USPTO PATENT

The US patent attributes 'Red Flare' to Ada Mansuino, however Quinto Mansuino describesit in 1959 as one of his survived cultivars from before 1944 (see 2015 reference by Andrew Hornung).