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'Fort Knox' rose Description
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'Fort Knox' rose photo
Photo courtesy of jedmar
Availability:
Commercially available
HMF Ratings:
8 favorite votes.  
ARS:
Deep yellow Hybrid Tea.
Registration name: Fort Knox
Origin:
Bred by Arthur Preston Howard (United States, before 1955).
Introduced in United States by Howard & Smith in 1956 as 'Fort Knox'.
Introduced by Unknown (Australia) in 1960 as 'Fort Knox'.
Class:
Hybrid Tea.  
Bloom:
Lemon-yellow.  Strong, tea fragrance.  17 to 20 petals.  Average diameter 3.5".  Medium to large, double (17-25 petals), borne mostly solitary, cupped bloom form.  Blooms in flushes throughout the season.  Ovoid buds.  
Habit:
Bushy, upright.  Dark green, leathery, wrinkled (rugose) foliage.  5 to 7 leaflets.  

Height: 3' to 4' (90 to 120cm).  
Growing:
USDA zone 6b through 9b (default).  
Patents:
United States - Patent No: PP 1,525  on  30 Oct 1956   VIEW USPTO PATENT
Application No: 519, 015  on  29 Jun 1955
Arhur Preston Howard, Sierra Madre, Calif., assignor to Howard & Smith, Montebello, Calif.
Notes: