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
Great idea for classroom job! One student is selected to be the "Ask Me" person (to help students who need assistance) while the teacher works with small groups-no disruptions for the teacher! Kids would love to take turns doing this!