Commercially available

• Pristine ®

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Average rating: GOOD+.  

White, near white or white blend Hybrid Tea.
Registration name: JACpico
Exhibition name: Pristine ® (hybrid tea, Warriner 1975)

Bred by William A. Warriner (United States, before 1975).
Introduced in United States by Jackson & Perkins Co. (post 1970) in 1978 as 'Pristine'.
Introduced by Unknown (Australia) in 1981 as 'Pristine'.

Hybrid Tea.  

White, pink edges, seashell-pink highlights. [White or white blend.].  None to mild fragrance.  30 to 35 petals.  Large, full (26-40 petals), borne mostly solitary, cluster-flowered, in small clusters, high-centered, reflexed bloom form.  Continuous (perpetual) bloom throughout the season.  Pointed, ovoid buds.  

Armed with thorns / prickles, spreading, upright, well-branched.  Large, semi-glossy, dark green, dense foliage.  

Height: 42" to 4' (105 to 120cm).  Width: 2' to 30" (60 to 75cm).

USDA zone 7b and warmer.  Can be used for cut flower or garden.  Very vigorous.  Disease susceptibility: very disease resistant.  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.  Requires spring freeze protection (see glossary - Spring freeze protection) .  

United States - Patent No: PP 3,997  on  21 Dec 1976   VIEW USPTO PATENT
Application No: 05/632,762  on  17 Nov 1975

A different parentage, 'Duftwolke' x John F. Kennedy', is mentioned in the 1980 reference.

Tate Rose Nursery says this rose often looks like porcelain, it is shaped so perfectly. It is one of their favorites but does require winter protection...