• elemental
Nitrogen Total (N) 0%
Phosphorus (P) 0%
Potassium (K) 0%
Suplhur (S) 14.0%
Combined 14.0%


2-3 months

Blue-Max Blue-Max

  • Advantages
  • Description
  • Directions for use
  • 100% coated to limit exposure to overdoses; minimizes root burn.
  • Consistent release eliminates repeated applications; saves time, labor and money.
  • Risk of phytotoxicity is significantly reduced compared to drenches.
  • Lasting colour inspires retailer/consumer satisfaction.

Blue-Max™ features new polymer-coated E-Max Release Technology™ that conveniently delivers controlled release Aluminum Sulfate (Al) to create and maintain the desired blue color of hydrangea flowers. With this coated approach, growers can deliver a sustained supply of Al to the plant in a safe and reliable manner. And unlike with drenches, the consistent release within specified longevities eliminates the need for repeated applications, saving time, labor and ultimately dollars.

Directions for use

Application Rates: The application rates listed are intended as a guideline in developing a routine program to grow blue flowered hydrangeas. Effective rates will depend on many factors including: crop condition, growing environment, cultivar type, timing of application, rate, root zone pH, fertilizer program and growing media. These rates may or may not apply to your area or growing conditions. It is the responsibility of the grower to determine the appropriate rate. Your rate may be higher or lower than suggested based on your growing conditions.

Apply product in the spring as soon as plants break dormancy or during any period of flower development. Broadcast product uniformly over soil surface. Avoid piling product against leaves and stems. Water in immediately after application.

Use lower rates for: freshly potted plants, high peat-based media, lower root zone pH’s (< 6.0), low P fertilizer program, subirrigation and other Al treatments. Use higher rates for: older established plants, high bark media, higher root zone pH’s (> 6.0), higher P fertilizer program.

CAUTION: Keep this product out of the reach of children. Harmful if swallowed. Avoid contact with eyes, skin and clothing. Wash
thoroughly after use. Avoid breathing dust.

Specially formulated for use in the production of blue variety Hydrangeas.