Plant database

Courgette

Water below

44%

Healthy band 50% to 85%

Needs wateringJust watered

Researched Converted from published irrigation figures for this crop.

Very thirsty in full production. Water at the base rather than over the leaves to limit mildew.

Very thirsty in full production. Water at the base rather than over the leaves to limit mildew.

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.