Jacks Classic 1.5# Hydrangea Blue 7-3-3 Fertilizer

Jack's Classic® Hydrangea Blue 7-3-3 Fertilizer combines premium plant nutrients with aluminum sulfate to help encourage and maintain rich blue blooms in many pink and blue hydrangea varieties. It promotes healthy foliage, vigorous growth, and enhanced flowering while improving performance in alkaline soils or planting areas near concrete foundations. This formula will not affect the color of white hydrangea varieties.