Every Great Pistachio Crop Starts With One Decision.

Dormex® helps synchronize bud break so every stage that follows—from pollination to harvest—becomes more predictable.

  • Get More Uniform Bud Break
  • Improve Bloom
  • Build More Productive Trees
Watch How It Works

Proven Across California

Dormex® has been evaluated across California growing regions, delivering consistent results regardless of the variety or seasonal conditions.

2022 Yield

+725 lb/acre

2023 Yield

+219 lb/acre

2024 Yield

+763 lb/acre

2025 Yield

+237 lb/acre

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Questions? Contact Your Dormex Rep

John

John Meyer

Director of Sales

The Challenge Every Pistachio Grower Faces

  • Alternate bearing
  • Insufficient winter chill
  • Uneven bud break
  • Variable pollination
  • Bloom asynchrony
  • Uneven crop development

No grower can control the weather. But growers can control how prepared their orchards are when spring arrives.

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Why Bud Break Matters More Than You Think

The season starts months before harvest. More uniform bud break can create a more synchronized start to bloom, pollination and crop development.

Earlier, More Uniform Bud Break

Helps create a more synchronized start to the growing season.

Improved Bloom Synchrony

Helps align male and female bloom to support pollination during the receptive window.

More Productive Tree Growth

More secondary and tertiary buds can develop, creating a more productive, well-branched canopy.

Increase Your Yield

More uniform bud break and bloom synchronization help create the conditions for greater yield potential.

Why Growers Choose Dormex

Feature
With Dormex
Without Dormex
Bud Break
More Uniform & Earlier
Uneven & Straggled
Bloom Synchrony
More Synchronized
Variable Timing
Pollination Window
Greater Bloom Overlap
Variable Overlap
Nut Set
Supports Nut Set
Variable
Yield Potential
Higher Yield Potential
Variable

With Dormex

Bud Break

More Uniform & Earlier

Bloom Synchrony

More Synchronized

Pollination Window

Greater Bloom Overlap

Nut Set

Supports Nut Set

Yield Potential

Higher Yield Potential

Without Dormex

Bud Break

Uneven & Straggled

Bloom Synchrony

Variable Timing

Pollination Window

Variable Overlap

Nut Set

Variable

Yield Potential

Variable

Frequently Asked Questions

No Dormex does not replace winter chill. Dormex does help bring bud break forward and help synchronize male and female buds.

Typical targets range between 59-70 chill portions depending on variety and local conditions. Maximize as much natural chill as possible.

Rule of thumb you want to target spraying 30 days before anticipated bud break which usually falls between February 15th and March 1. Every year is different. Maximize as much natural Chill Portions as possible then spray.

Yes. Even in “ON” years Dormex has shown a yield increase over and above the cost of application.

Yes. Our research has shown an yield increase over and above the cost of applicaiton.

Our research has shown tremendous yield increases in OFF years and in ON years, yield increase are over and above the cost of application

Ready to Improve Bud Break This Season?

Whether you’re managing mature producing orchards or developing
younger trees, our technical team is here to help you time your application
perfectly.

John

John Meyer

Director of Sales