Precision Nutrition Management for Vineyards and Professional Growers
Give Your Vines Exactly What They Need—When They Need It Most
Grapevines demand balance. Too much or too little of a single nutrient can affect vine vigor, berry quality, fruit set, and ultimately— your vintage. The Grape Plant Tissue Test
is designed specifically for vineyards looking to monitor and adjust nutrition with confidence throughout the growing season.
This test analyzes both leaf and petiole tissue, providing a comprehensive snapshot of what's moving through the vine’s vascular system—right down to seasonally critical nutrients like nitrate, potassium, boron, and magnesium.
What’s Included in Your Analysis
Leaf Tissue Nutrients (% of Dry Matter)
Nitrogen (N)
Phosphorus (P)
Petiole Nutrients (Sap Flow Indicators)
Nitrate (NO₃)
Phosphate (PO₄)
Macronutrients & Secondary Elements
Potassium (K)
Calcium (Ca)
Magnesium (Mg)
Sodium (Na)
Sulfur (S)
Micronutrients
Zinc (Zn)
Iron (Fe)
Manganese (Mn)
Copper (Cu)
Boron (B)
Molybdenum (Mo)
Your Report Includes:
Professional Result Interpretations Visual breakdowns of nutrient sufficiency levels
Crop-Specific Fertility Recommendations Designed for wine, table, or raisin grapes depending on your vineyard type
Timing-Based Nutrient Strategy Know what to apply—and what to hold—based on your phenological stage
Sample Requirements
Minimum Sample Size: 25–35 leaves and petioles (combined), depending on vine size
Shipping: Send fresh, clean, and dry tissue in a sealed, labeled bag
Turnaround Time: ▪️ Petioles
– 1 business day ▪️ Leaves
– 2 business days
Recommended For:
Vineyard managers and viticulturists
Estate growers and boutique wineries
Table grape and raisin producers
Grape consultants managing foliar feeding or fertigation programs
Growers implementing precision viticulture
Optional Expert Consultation
Need help interpreting the data? Our Certified Crop Advisor
can walk you through your results and next steps. 📞 Call to schedule after your report is ready.
Order the Grape Plant Tissue Test Today
Optimize fruit quality. Strengthen your vines. Protect your yield. Get clarity and control over your vineyard’s nutritional program.
Hi there! Have some questions about our company? Find the answers below.
What are your business hours?
Our office is open Monday thru Friday from 8 am to 5 pm. We do close for major holidays, so we recommend ordering your testing and sending your sample early if a holiday is coming up. You can always reach us by email. Just send us a message at info@tpslab.com
When will I get my results?
We understand that you need your results as soon as possible. That is why we make sure to begin processing your samples as soon as they arrive at our laboratory. When the results are ready, we will email them to the email address you provided on your submittal form. The list below will give you an idea of our usual turnaround times.
Soil Tests: 5-7 Business days
Water Tests: 5 - 7 Business days
Plants Tests: 24 - 48 Hours
Compost Tests: 7 - 14 Business days
Fertilizer Tests: 3 - 5 Business days
Heavy Metals Test: 7 - 14 Business days
We offer a rush option for an additional 50% of the testing cost, but we would encourage you to give yourself time to test before you get to a point where a rush is needed.
