What keeps red hydrangeas red?
What keeps red hydrangeas red? If a hydrangea plant can pick up aluminum, then the flowers turn blue. If the hydrangea can’t pick up aluminum, then the flowers turn red. The solution involves keeping soil alkaline to prevent aluminum absorption. Tips to Keeping Hydrangeas Happy If it wasn’t too obvious by now, hydrangeas love moisture […]
What keeps red hydrangeas red? Read Post »