About Us
Three generations of family-owned crop nutrition.
Founded in 1973 by W.B. "Hap" Carson in Plant City, Florida. Today led by his son David Carson — still building products in the same Polk-and-Hillsborough county dirt that started it all.
Timeline
50+ years in southern crop nutrition.
1973
Hap Carson founds Chemical Dynamics
W.B. "Hap" Carson opens the company in Plant City, Florida — focused on serving local citrus and vegetable growers.
1980s
Launch of Dyna-Gro 779
Our foliar nitrate becomes a fixture in Florida citrus programs, helping growers carry trees through bloom and fruit set.
1990s
Facility rebuild after fire
After a manufacturing facility fire, the company rebuilds and relocates within Plant City Industrial Park — modernizing capacity in the process.
2000s
SOAR launches
SOAR Bloom Spray and the SOAR product family extend the portfolio into modern foliar bio-stim programs for strawberry, tomato, and other specialty crops.
2010s
Hap Carson chairs FFAA
Hap Carson serves as Chairman of the Florida Fertilizer and Agrichemical Association — a role David Carson would later also hold.
2020s
University of Florida partnership
Formal R&D partnership with UF/CALS deepens our trial-data pipeline and crop-specific recommendations.
2023
50-year anniversary
Half a century of family ownership — and the third generation steps further into leadership.
Talk to a Certified Crop Advisor.
Our reps walk groves, fields, and golf courses across the South every week. Find the one in your county — or call us at 1-813-752-4950.