Promalin® Plant Growth Regulator


Promalin® Plant Growth Regulator

Grow Bigger. Grow Better.


Promalin® Plant Growth Regulator Solution improves the shape and increases 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.

  • Increases Fruit Size at Harvest, Improving Packout and Yield
  • Maximizes Fruit Quality
  • Aids in Frost Recovery
  • Can Be Used with All Types of Apples


  • Branching
  • Maximizes Fruit Typiness
  • Quality
  • Size
  • Packout
  • Frost Recovery
* Each crop and use may not be registered in every state. Always read and follow label instructions.

Key Crops*

  • Apple
  • Non-Bearing Sweet Cherry
  • Non-Bearing Pear

* Not all crops are registered in every state.

Sustainable Solutions Criteria – Promalin® Plant Growth Regulator

Valent U.S.A. has developed a classification system that defines and identifies sustainable practices and attributes applicable to our ag product portfolio across three pillars of sustainability – People, Planet, and Productivity. This system, called Sustainable Solutions Criteria, uses specific icons that highlight these key sustainable practices and attributes for our products. Products that achieve a high sustainable criterion ranking across all three sustainable pillars, such as Promalin® Plant Growth Regulator, are also denoted by the Sustainable Solutions Icon. Click on the icons below or the sustainable solutions icon to the right to learn how Promalin® Plant Growth Regulator can support sustainable practices in your operations.


Environmental Fit

  • Protective of pollinators and other wildlife
  • Protective of wetlands and other aquatic and natural areas  adjacent to agriculture
  • Comparatively rapid dissipation in the environment
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Worker Efficiency

  • Protection of workers (including mixers, loaders and applicators) during product application
  • Protection of agricultural workers re-entering the site
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Reduces Food Loss

  • Contribution to directly minimizing food waste, in the field or post-harvest
  • Food waste reduced by impact on harvest efficiency, and/or preservation of crop nutrients and quality as measured by grade, packout or other industry-relevant metric
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Improves Crop Production Efficiency

  • Increased yield, yield protection, and/or improved plant health, water and nutrient use that enhance efficiency of crop production.
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Enhances Quality

  • Enhanced quality of crop commodity that improves overall profitability
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Sustainable Solutions

Valent Sustainable Solutions support the adoption and integration of sustainable practices for crop protection, productivity and yield enhancement products and technologies.

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John Deere Financial Program Offer

Promalin® Plant Growth Regulator is eligible for the Valent U.S.A. John Deere Special Financing Offer, which includes a fixed 0% APR on eligible products that help you produce high-quality, high-yield crops. Visit the John Deere Program page at the link below to review the full program details and qualifications.

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Always read and follow label instructions.
Promalin is a registered trademark of Valent BioSciences LLC.