Answer: As long as the soil drains well, you can water your canna 2-3 times a week, depending upon weather. I thoroughly soak the soil where my canna's are growing and then allow the top half inch of soil to dry out before watering again. Canna roots grow deeply so you'll want to apply enough water to deeply soak the area so the roots can take advantage of the moisture. If you're not sure, dig down into the soil a few days after watering. If the soil is moist an inch beneath the surface, you won't need to water for a few more days. If it is dry, it's time to water. Best wishes with your canna!
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