9 favorite votes.  

Dark red Hybrid Tea.
Registration name: Midnight (hybrid tea, Swim 1955)
Exhibition name: Midnight

Bred by Herbert C. Swim (United States, before 1955).
Introduced in United States by Armstrong Nursery in 1956 as 'Midnight'.
Introduced in Australia by Hazlewood Bros. Pty. Ltd. in 1959 as 'Midnight'.

Hybrid Tea.  

Crimson.  Current-red to cardinal-red.  Strong, spice, tea fragrance.  25 to 30 petals.  Average diameter 4".  Large, full (26-40 petals), borne mostly solitary, in small clusters, high-centered, open bloom form.  Blooms in flushes throughout the season.  

Compact, upright, well-branched.  Medium, glossy, dark green, leathery foliage.  5 to 7 leaflets.  

USDA zone 6b through 9b (default).  Vigorous.  

United States - Patent No: PP 1,542  on  25 Dec 1956   VIEW USPTO PATENT
Application No: 540,177  on  12 Oct 1955