Southern Living®️️️️ Plant Collection Varieties Designated “FlameProof” By Dallas Arboretum. This year, Southern Living Plant Collection’s ‘Sunshine’ Ligustrum, Mood Ring™️ Podocarpus, and ‘Lemon Lime’ Nandina received the coveted FlameProof award. With evergreen foliage, these three heat-loving shrubs not only flourish through hot tropical summers, but look good all year long.