Too Hot: Rocks, raise the soil temperature, leading to stressed, thirsty plants. No Benefit to Plants: Rocks don't aid plant growth or soil health. Messy pH: Most trees prefer acidic soil, but rocks create alkaline soil, which can hurt trees.
Can I put river rock around plants?
River rocks drain quickly, so they're perfect for succulents, cacti and other plants that don't like moisture around their stems. They also retain heat, so they're a fine complement to flower beds with sun- and heat-loving plants but should not be used with more delicate plants that can't take too much reflected heat.
Is River rock good for landscaping?
If erosion has been a struggle in your landscape, river rocks are an excellent tool to keep your soil and plants in place in areas with heavy runoff or on a steep hill. If your landscape has naturally flowing water, such as a small creek, install river rock around the creek's edges to prevent erosion during heavy rain.