Commercially available

 

19 favorite votes.  
Average rating: GOOD+.  

Light yellow Hybrid Tea.

Bred by Joseph H. Hill (United States, 1928).
Introduced in Australia by Hazlewood Bros. Pty. Ltd. in 1930 as 'Joanna Hill'.

Hybrid Tea.  

Light yellow, darker center, orange undertones, ages to cream .  Moderate fragrance.  40 to 50 petals.  Medium to large, very full (41+ petals), borne mostly solitary bloom form.  Blooms in flushes throughout the season.  Long, pointed buds.  

Few or no prickles/thorns, upright.  Leathery foliage.  

Height: up to 4' (up to 120cm).  

USDA zone 6b and warmer.  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.  

Tetraploid

Difference of opinion about parentage (See References)