• Meet The Entire Ultra Gro TeamOur products are great and our incredible people help make it all possible. Learn More Ultra Gro Plant Food LLC | Citrus
  • Ultra Gro Yields PerformanceWe have proven ourselves with a wide variety of crops from Almonds to Zucchini. Learn More Ultra Gro Plant Food LLC | Grapes
  • Ultra Gro Products Equal Quality Quality control is important to us. Our products are manufactured in our plant in Madera. Learn More Ultra Gro Plant Food LLC | Peaches
  • Ultra Gro Value Is Proven Our products prove their value in many ways to maximize performance (yield & quality). Learn More Ultra Gro Plant Food LLC | Cotton
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Sample Program » Trials » Testimonials


The Ultra Gro products are widely used throughout the grape industry.  We serve significant acreage in all three segments; Table Grapes, Wine Grapes and Raisin Grapes.  The UG Products have an excellent reputation for responsiveness and "quality".  Common farmer usage includes: creating consistency and "quality" in Table Grapes, building late-season sugars in Wine Grapes, raising solids and "quality" in Raisin Grapes, creating "new growth" in old vineyards, and more. Our marketplace includes: Coachella Valley, Delano/Kern County, the entire Central & North San Joaquin Valley, Central Coast, Napa & Sonoma Counties.

Our team serving the Grape Industry:

Coachella Valley: Craig Swetland and Steve Best
Kern County/Delano: Steve Best, James Garcia, Aaron Hart, Dennis Laux
Central Valley/East Side: Marc Suderman, Dustin Stewart, Abe Isaak, Dennis Laux, Frank Casares
Central Valley/West Side: Eric MacBean, Marc Suderman, Rich Kreps, Harold Peters
Central Coast/Paso Robles: Craig Swetland
North Valley, Sonoma/Napa: Harold Peters, Derek Sissom, Rich Kreps and Han Nyunt

(Specific Recommendation  tailored for each Grower)

Post Harvest: (per acre) Strengthen next years crop.
1 Gallon 6-0-0-8 Calcium Soil Treatment (apply to Soil)
2-3 Gallons 8-16-8 Plus / 2-17-17 Plus (apply to Soil)
2 - 3 Gallons 8-16-8 Plus / 2-17-17 Plus (Foliar) ___________Qts./Pt.__________ (Trace Minerals/Foliar)

1st Spring Irrigation: (per acre)
1 Gallon 6-0-0-8 Calcium Soil Treatment (apply to Soil)
1-2 Gallons 6-0-0-9 Calcium Complex (apply to Soil)
4-6 Gallons 2-17-17 Plus (apply to Soil)

Pre-Bloom: (per acre) Size Fruit 2 Gallons 8-16-8 / 2-17-17 Plus (Foliar) ___________Qts./Pt.__________(Trace Minerals/Foliar)

After Bloom:
(shatter) 2-3 Gallons 2-17-17 Plus (Foliar) 1 Gallon 6-0-0-9 Calcium Complex (Foliar)

Berry Softening: (per acre) Size Fruit
2-3 Gallons 2-17-17 Plus (Foliar)
1 Gallon 6-0-0-9 Calcium Complex (Foliar)
___________Qts./Pt.__________(Trace Minerals/Foliar)

Pre-Harvest: (per acre) 25 to 30 days prior to harvest to increase sugars, yield, and, quality
3 Gallons 2-17-17 Plus (Foliar) Pre Foliar check of soil & tissue for "N" levels.

Heat Stress: (per acre) for July, August, September (Optional)
1 gallon 3-4.5-2 Crop Shield(Foliar) Per month.

  • Recommendations will vary depending on Soil and Tissue Analysis.
  • Trace elements should be applied with foliar applications, with traces being determined by Soil and Tissue Analysis for best results.
  • For any other variables, check with your Ultra Gro Representative.
  • Apply normal Nitrogen Program.