Plant database

Thuja, western red cedar

Water below

24%

Healthy band 30% to 75%

Needs wateringJust watered

Researched Converted from published irrigation figures for this crop.

Wants moisture while establishing, then very little. Browning is more often wind or drainage than drought.

Once established this plant rarely needs watering. Alerts are worth acting on mainly in a long dry spell or in its first year.

Wants moisture while establishing, then very little. Browning is more often wind or drainage than drought.

Setting the threshold

These figures are a tested starting point on a calibrated monitor. Watch one full wet to dry cycle in your own bed and adjust if the plant tells you otherwise. Soil type, container size and how much sun the spot gets all shift where the right number sits.