Commercially available

11 favorite votes.  
Average rating: EXCELLENT.  

Deep yellow Shrub.
Registration name: Sunny June
Exhibition name: Sunny June

Bred by Dr. Walter E. Lammerts (United States, 1952).

Climber, Shrub.  

Deep yellow.  Moderate, spice fragrance.  7 petals.  Medium, single (4-8 petals) bloom form.  Blooms in flushes throughout the season.  Long, pointed buds.  

Tall, climbing.  

Height: 6' to 10' (185 to 305cm).  Width: 5' to 6' (150 to 185cm).

USDA zone 6b through 9b (default).  

United States - Patent No: PP 1,239  on  5 Jan 1954   VIEW USPTO PATENT

Source: http://item.rakuten.co.jp/baranoie/c/0000002842