Promalin® Plant Growth Regulator

  • Increases fruit size at harvest, improving packout and yield
  • Maximizes fruit quality to meet consumer demand
  • Versatile—can be used with all types of apples, including Fuji, Gala and Red Delicious

Promalin delivers more boxes, bigger fruit, and higher return per acre.

Promalin improves the shape and increase the size of Red Delicious and other popular apple cultivars. By enhancing fruit size and weight through increased cell division, Promalin has become a standard in orchard operations to help maximize fruit quality, yield, packout and overall value. Read more »

Download Label/SDS
Download Label/SDS for Promalin Plant Growth Regulator.

Crops and State Registrations

- Key crops/pests



  • apples
  • pears (non-bearing)
  • sweet cherries (non-bearing)

State Registrations*

  • Alabama
  • Arizona
  • Arkansas
  • California
  • Colorado
  • Connecticut
  • Delaware
  • Georgia
  • Hawaii
  • Idaho
  • Illinois
  • Indiana
  • Iowa
  • Kansas
  • Kentucky
  • Maine
  • Maryland
  • Massachusetts
  • Michigan
  • Minnesota
  • Missouri
  • Nebraska
  • New Hampshire
  • New Jersey
  • New Mexico
  • New York
  • North Carolina
  • North Dakota
  • Ohio
  • Oregon
  • Pennsylvania
  • Rhode Island
  • South Carolina
  • Tennessee
  • Texas
  • Utah
  • Vermont
  • Virginia
  • Washington
  • West Virginia
  • Wisconsin

  • Download Literature

    View available Promalin Plant Growth Regulator quicksheets and brochures in pdf format.

  • Label/SDS

    Download Label/SDS for Promalin Plant Growth Regulator.

  • Contact Valent

    Have a question about Promalin Plant Growth Regulator?

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