My daughter want's to try that with the cans. We shall see what happens. It's so hot here that we would litterally be watering throughout the day. Water is a BIG problem here in Arizona. Try to conserve it and it's hard. They say the best time to water is between 3am and 6am, but I can't do that. When I was reading I thought they said 3pm and 6pm, but thats the worst time to water. EEK! What to do