Awasome What Time Of Day To Water Vegetable Garden Ideas. The best time to water a garden is early in the day. The best time to water a vegetable garden is in the early morning, as the temperature is still cool.

Generally speaking, the best time to water a vegetable garden is in the early morning. And 4 p.m., when you're most likely to develop a neon red sunburn. You will lose less water as the air warms up if you water in the early morning hours.

