Dieffenbachia seguine 'Banana'Dieffenbachia seguine 'Banana' at a glance: Dieffenbachia seguine 'Banana' is grown for near solid yellow lime foliage edged in softer green, creating a cleaner, more colour led effect than heavily marbled cultivars. Mature plants usually reach around 80120 cm tall and up to about 50 cm wide, rising on a sturdy cane with elongated glossy leaves. It grows best in bright indirect light, with watering timed after the top 3 cm of substrate have dried, and