Commercially available

• Callista

19 favorite votes.  

White, near white or white blend Shrub.
Registration name: Ripcal
Exhibition name: Callista (shrub, Rippetoe, 2005)

Bred by Robert Neil Rippetoe (United States, 2005).
Introduced in United States by Roses Unlimited in 2007 as 'Callista'.

Shrub.  

White, pink undertones.  Strong, citrus fragrance.  26 to 40 petals.  Average diameter 3.5".  Medium to large, full (26-40 petals), borne mostly solitary, high-centered, old-fashioned bloom form.  Continuous (perpetual) bloom throughout the season.  

Tall, bushy, spreading.  Medium, semi-glossy, medium green foliage.  

Height: 4' to 6' (120 to 185cm).  

USDA zone 6b and warmer.  Can be used for cut flower, garden or shrub.  Disease susceptibility: susceptible to disease, susceptible to blackspot , mildew 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.  

Intensely fragrant

Callista comes from the Greek for "Most Beautiful" (kallistos)

Could likely be classed as an English Rose.