Be mindful of these common gardening myths, and read on for tips on how to move forward successfully. You Need to Water Your Plants Every DayMaskot // Getty ImagesAll backyard gardens need watering from time to time, but not all plants need watering every single day. Rather than assuming your plants need water, the pros recommend taking a closer look. When you start with high-quality, living soil, you're giving your plants a partner that does a lot of the work for you. But just because your garden isn’t perfectly picturesque doesn’t mean it isn’t healthy or that you’re doing something wrong.