Question: how many times a day should you water sunflowers?
Answer: Water your sunflower several times a week. Check the soil every day or two – it should be constantly moist. Generally, give your sunflowers about 2 gallons (7.6 L) of water a week. If your sunflowers are outside, they should be fine with rain water after they reach 1 to 2 feet (0.30 to 0.61 m) in height.