Sunset is a popular Cox-style apple, widely recommended as an alternative to Cox's Orange Pippin as it is much easier to grow. The parentage is not known but it is almost certainly a seedling of Cox. Disease resistance is far better, and cropping is good.
Sunset can be grown reliably throughout much of the UK, but for best results plant in full-sun.
It is a neat and compact tree, and a good variety for training as a fan, espalier, or cordon.