Cyrtosperma johnstonii
Native range: Solomon Islands, Melanesia
Known names: Johnston’s Giant Taro, Giant Swamp Taro
Hardiness: USDA Zones 10–12
Mature Size: 6–10+ feet tall with a wide spread in tropical climates.
Light: Half day sun, south-facing windows
Water: Keep soil wet
Soil: Moisture-retentive but aerated mix; tolerates boggy conditions
Dormancy Period: None; growth slows slightly in cooler temperatures
Pet-Safe: No
Plant Size: 2.5" Pot
 
Cyrtosperma johnstonii is a large tropical aroid with massive sagittate leaves on thick, upright, spiked petioles. Leaves produce red veins when emerging and fades to solid green leaves. Corm-producing