Have you ever noticed that after a rain, your garden seems to look especially lush, green and healthy?
No, you're not imagining things. Rainwater actually is better for plants.
It comes down to the chemistry of rain water when compared to tap water. The water that comes from a hose is tap water, too.
Rainwater absorbs a small amount of nitrogen (in the forms of nitrates and ammonium) from the air as it...