White Cedar Thuja occidentalis Description Olive green feathery foliage. Growth Habit: Upright, conical to pyramidalMature Height: 33' to 40' (10m to 12m)Mature Spread: 10' to 13' (305cm to 390cm)Growth Habit: Moderate More Details Sun Exposure: Full Sun to Partial ShadeCold Hardiness Zone: 2Drought TolerantTolerate swamp landLandscape Use: Hedge and windbreaksNative to Canada