Hydrangeas change color primarily due to the pH level of the soil they are planted in. Acidic soil (low pH) tends to produce blue or purple blooms, while alkaline soil (high pH) tends to produce pink or red blooms. Aluminum availability in the soil also plays a crucial role, as it's needed for

“Thrillers, fillers, and spillers" is a popular planting design concept for containers, focusing on creating visually appealing and balanced displays by strategically combining plants with different growth habits. "Thriller" plants are tall and dramatic, serving as the focal point. "