Commercially available

• 100 Idées Jardin
• Golden Zest ™
• JACbelgo
• Sweet Caitlin
• Sweet Kathleen

86 favorite votes.  
Average rating: EXCELLENT.  

Medium yellow Shrub.
Registration name: JACbelgo
Exhibition name: Golden Zest ™

Bred by Dr. Keith W. Zary (United States, before 2004).
Introduced in United States by Jackson & Perkins (Wholesale) in 2005 as 'Golden Zest'.
Introduced in Australia by Swane's Nursery/Swane Bros Pty Ltd in circa 2006 as 'Sweet Caitlin'.
Introduced in France by Guillot/Roseraies Pierre Guillot in 2008.

Shrub.  

Golden-yellow.  Strong, anise, apricot or peach, citrus, clove, myrrh, violets fragrance.  41 to 100 petals.  Average diameter 4".  Large, very full (41+ petals), borne mostly solitary, cluster-flowered, in small clusters, cupped, old-fashioned, quartered bloom form.  Blooms in flushes throughout the season.  

Medium, upright, well-branched.  Large, glossy, dark green foliage.  
Height of 47" to 4¼' (120 to 130 cm).  

USDA zone 6b through 9b (default).  Can be used for cut flower, garden, landscape or shrub.  Disease susceptibility: very disease resistant.  Remove spent blooms to encourage re-bloom.  Spring Pruning: Remove old canes and dead or diseased wood and cut back canes that cross. In warmer climates, cut back the remaining canes by about one-third. In colder areas, you'll probably find you'll have to prune a little more than that.  

United States - Patent No: PP 16,707  on  20 Jun 2006   VIEW USPTO PATENT
Application No: 10/969,750  on  19 Oct 2004