We usually say this to mean we were not blessed with one and they must have a natural born talent for it. As a first time gardener, I can tell you it is a lot easier than you may think. With each flower you plant, you learn so much and gain confidence. You can apply this new knowledge to the rest of your flowers.
Water is the substance of all living things and so is true with plants.
When watering, it is best to do it in the morning before the afternoon heat hits. Watering just as evening hits is ok too, but be sure to do it before it gets too late or you leave your plants open to catching diseases and growing fungus. You should water the ground until it floods, let the soil soak it up, and then repeat once more. If your plants are not getting enough water, they will begin to look as if the leaves are shriveling on the ends. To test if your plants need more water, stick your finger in the soil, about an inch deep, and check to see if it is damp.