Rosa rugosa Alba - White Dog Rose Also known as White Japanese Rose. Attractive white flowers are followed by big red hips, Rosa rugosa Alba is an extremely robust plant that is excellent as an informal hedge by the sea. You will need to cut out any suckers that pop up alongside the hedge to keep it in check. Site: Tolerates coastal exposureSoil: Any well-drained soil Position: Full sun, partial shadeSeason of Interest: Flowers in Summer and good foliage colour & hips in AutumnHardiness: Fully hardyHeight: 5ft (1.5m) Spread: 5ft (1.5m)