French Hydrangea: Blue or Pink Blooms? Your hydrangea is simply responding to the soil pH. Blue flowers are produced in acid soil (pH and lower), and pink flowers are produced in alkaline soil (pH 7 and higher). You can add aluminum sulfate around your
Zebra Hollyhocks are perennials that bloom all summer long. They are easy to grow self seed are drought tolerant and attract butterflies. They grow in sun to part shade and get tall. Great for perennial beds cottage gardens borders and rock gardens.