Tzabaco Rancho Vineyards

Information about the planted areas of this vineyard

Grape Profile

Grape Details

Varietals: Cabernet Sauvignon, Sauvignon Blanc (Fumé blanc), Chardonnay, Merlot, Zinfandel, Viognier, Malbec, Petit Verdot, Petite Sirah (Durif), Sauvignon Musque
Vine Age: 11 years (average)
Wine Regions: Dry Creek Valley, North Coast, Northern Sonoma

Vineyard Size

Planted Area: 70.96 acres

Farm Certifications

Certified: Sustainability in Practice

Land Profile


Elevation181.71 ft.
Slope1.5% (0.87°)
AspectSouthwest (206.54°)

Solar Radiation

Average Radiation TotalWH/m2
Growing Season143488.25

Climate Indices

Index Name
Growing Degree-Days3240.32
Huglin Index2542.26
Biologically Effective Degree-Days1956.52

Temperature & Rainfall

AverageHi °FLow °FRain in.
Growing Season82.148.26.19
For more detailed information about the topography, climate, and soil of the vineyard blocks that grew these grapes, click on the individual blocks in the block list.

What's Available

  1. Oct 13, 2019: Grapes
    3.0 tons
    Sourced from blocks:
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Block List

Planted Areas of this Vineyard (18)

  1. Block: 13 (1.82 acres)
    Grape: Chardonnay
    161.31 ft. | Yolo
    View block details
  2. Block: 14 (2.86 acres)
    Grape: Merlot
    161.44 ft. | Yolo
    View block details
  3. Block: 15 (4.48 acres)
    Grape: Merlot
    159.42 ft. | Yolo
    View block details
  4. Block: 16 (5.52 acres)
    Grape: Merlot
    156.64 ft. | Yolo
    View block details
  5. Block: 17 (13.67 acres)
    Grape: Zinfandel
    275.48 ft. | Haire, Los Gatos, Manzanita
    View block details
  6. Block: 18 (2.16 acres)
    Grape: Zinfandel
    281.59 ft. | Manzanita
    View block details
  7. Block: 4 (2.25 acres)
    Grape: Viognier
    176.29 ft. | Yolo
    View block details
  8. Block: 5 (2.33 acres)
    Grape: Malbec
    177.73 ft. | Yolo
    View block details
  9. Block: 6 (2.24 acres)
    Grape: Petit Verdot
    179.95 ft. | Arbuckle, Yolo
    View block details
  10. Block: 7 (3.36 acres)
    Grape: Cabernet Sauvignon
    173.4 ft. | Arbuckle, Yolo
    View block details
  11. Block: 8 (1.01 acres)
    Grape: Petite Sirah (Durif)
    171.58 ft. | Yolo
    View block details
  12. Block: 9 (1.95 acres)
    Grape: Sauvignon Musque
    171.18 ft. | Yolo
    View block details

About Tzabaco Rancho Vineyards

Growing great grapes in Dry Creek Valley since 1856!

Edit History

Want to change something? Edit this vineyard


Vineyard-ID: 1723
Created Date: Unknown
Edit History: View Edit History of this Vineyard

Edit Permission

Locked: Only the owner may edit this vineyard

Contact-Us if you would like to request the ability to edit this vineyard

Data Notes and References


Farm Certifications: See the certifications page to learn more about the farm certifications Everyvine tracks.
Soil Horizon: Bedrock value set to "-" is not available. Available water capacity units are cm/cm.
Solar Radiation: Area Solar radiation has been calculated in watt hours per square meter (WH/m2)
Topography: Topography values are averaged over the block area. Aspect is expressed in positive degrees from 0 to 359.9, measured clockwise from north.
Growing Season: For use in various statistical averages, Everyvine defines the vineyard growing season as the period April 1st to October 31st.


The vineyard data presented here is most often sourced from the public data sources listed below. However, Everyvine also accepts data from vineyard owners who often have even better data they have collected themseleves.

If you have more accurate data on a vineyard go to: Data Submission page.

Topography: Topographic and solor radiation calculations are based on 1/3 arc-second (approx. 10m) elevation models. Data provided by U.S. Geological Survey (USGS), EROS Data Center, National Elevation Dataset,, 1999
Climate Indices: Calculations based on methodologies described by Gregory Jones and John Gladstones. See the following:
  • Jones, G.V, Duff, A.A., Hall, A., and J. Myers (2009). Spatial analysis of climate in winegrape growing regions in the western United States.” American Journal of Enology and Viticulture, in Press Spring 2010.
  • Gladstones, J. (1992) Viticulture and environment (Winetitles: Adelaide).
Month Climate Averages: Monthly and annual temperature and rainfall values based on 30-arcsec (800m) normals for the climatological period 1971-2000. Data provided by PRISM Climate Group, Oregon State University,, October 31,2008
Soil: Soil data is collected from the following sources:
  • SSURGO: Soil Survey Staff, Natural Resources Conservation Service, United States Department of Agriculture. Soil Survey Geographic (SSURGO) Database. Available online at
  • STATSGO2: Soil Survey Staff, Natural Resources Conservation Service, United States Department of Agriculture. U.S. General Soil Map (STATSGO2). Available online at
  • Web Soil Survey: Soil Survey Staff, Natural Resources Conservation Service, United States Department of Agriculture. Web Soil Survey. Available online at
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