Zaluzianskya Ovata ‘star Balsam’ Really Caught Our Eye At Chelsea 2014. Eye Dazzling Whirligig Flowers With A Gorgeous Scent Over Aromatic Evergreen Foliage. Zaluzianskya Ovata ‘star Balsam’, Also Known As Night Phlox, Is A Fragrant Plant That’s Hardy Down To Minus 5 & Will Be At Home In A Rock Or Alpine Garden. Growing 30cm Across With Brilliant White Flowers With Red Reverse. What’s More The Flowers Close In The Heat Of The Day & Open In The Evening Releasing An Intoxicating Scent!eye Dazzling Whirligig Flowers With A Gorgeous Scent Over Aromatic Evergreen Foliage. Known As Night Phlox This Fragrant Plant Is Hardy Down To Minus 5 & Will Be At Home In A Rock Or Alpine Garden. Growing 30cm Across With Brilliant White Flowers With Red Reverse. Whats More The Flowers Close In The Heat Of The Day & Open In The Evening Releasing An Intoxicating Scent!