Commercially available

1 favorite vote.  

White, near white or white blend Hybrid Tea.

Bred by Henry Bennett (United Kingdom, 1886).
Introduced in United States by Chas. F. Evans in 1886 as 'The Puritan'.
Introduced in Australia by C. F. Newman and Sons - Adelaide in 1894 as 'The Puritan'.

Hybrid Tea.  

Cream, ages to white .  Strong, magnolia fragrance.  Large, double (17-25 petals), borne mostly solitary bloom form.  Blooms in flushes throughout the season.  

Upright.  

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.