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. Our 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 and North San Joaquin Valley, Central Coast, Napa and Sonoma Counties.


Our team serving the grape industry:


Coachella Valley: Steve Best

Kern County/Delano: Steve Best and Dennis Laux

Central Valley/East Side: Dustin Stewart, Dennis Laux, Frank Casares

Central Valley/West Side: Eric MacBean, Rich Kreps, Harold Peters, Bill Vogt, Chris Meyer, Garrett Chojnacki

Central Coast/Paso Robles: Chris Meyer

North Valley, Sonoma/Napa: Harold Peters, Derek Sissom, Rich Kreps and Han Nyunt




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.