Frostproof GardeniaFrost Proof' is grown for its FRAGRANT, double, WHITE flowers in May and June and for its evergreen, compact growth habit. As it's name implies, 'Frost Proof' has been bred to survive colder winter temperatures it may be planted as far north as Southern Ohio. Plant alone as a specimen or space 3 4' apart when planting in groups of three or more as a shady groundcover.