Commercially available

• Berberifolia hardii
• Hardii
• Hulthemia hardii
• Hulthemosa hardii
• Rosa hardii
• Rosa X H. hardii Rowley
• Rosa X hardii
• The Hardy Rose

67 favorite votes.  

Yellow blend Species.
Exhibition name: Hulthemia hardii

Bred by Julien-ALEXANDRE Hardy (France, before 1835).
Introduced in France by Cels frères in 1836 as 'Rose de Hardy'.

Hybrid Hulthemia persica, Species Cross.  

Yellow, red flecks.  Yellow with orange spot at base of petal.  Mild fragrance.  5 petals.  Average diameter 2".  Medium, single (4-8 petals), borne mostly solitary, in small clusters bloom form.  Once-blooming spring or summer.  

Dark green foliage.  5 to 7 leaflets.  

Height: 6' to 9' (185 to 275cm).  

USDA zone 6b through 9b (default).  Benefits from winter protection in colder climates.  prefers dry climates.  prefers warmer sites.  Disease susceptibility: susceptible to Mildew.  

See References for opinions about reported parentage.
xHulthemosa represents hybrids between the genus Hulthemia and the genus Rosa. Taxonomists don't agree about the status of Rosa persica - - whether it belongs in the separate genus Hulthemia or only in a separate section within the genus Rosa.