Stop watering your potato plants about 2-3 weeks before harvest, or when you first see the foliage on the plants starting to turn yellow. Make sure to harvest your potatoes on a dry day when the soil is dry—harvesting potatoes when wet or damp can cause the potatoes to rot more easily in storage.
Should you stop watering potatoes?
Stop watering potatoes after the foliage turns yellow and begins to die off. This will allow the potatoes to mature to the right stage before harvesting. If you keep watering, the potatoes may mature and then rot in the ground before you dig them up.
Do potatoes need to be watered everyday?
Generally, potatoes need between 1-2 inches of water per week; this could be provided by rain events or you to make up the difference.
How often should you water potatoes?
Potato plants need 1 to 2 inches of water weekly between rainfall and irrigation. Water the plants every few days when you don't receive enough rainfall to meet those requirements.
When should I stop watering my grown potatoes?
Remember to water the container when the compost is dry. Keep topping up with compost until the container is full. Next the potatoes will flower; if these develop into fruits DO NOT eat them- they are poisonous. Stop watering at this point and the potato plants will start to die off above the soil.
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