Cherry tomatoes tend to split after a lot of rain or from over watering. If you pick them before a heavy rain you will harvest more that are not split. If yo… Question by Luke P: What is the correct amount of water for a tomato plant? What is the correct amount of water for a very young tomato plant? Best answer: Answer by John RDepends on how young…if its only about 4-6 inches tall then 4-8oz of water will be fine…but always remember that the soil underneath the top lining is more moist then… Read Article →