The Poor Ranch

Poor Ranch Vineyards

Vineyard Overview

The Poor Ranch


Poor Ranch Vineyards

Planted Area

62.03 acres




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10702 University Rd
Hopland , CA, 95449

Everyvine Rating

Not rated

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Information about the planted areas of this vineyard

Grape Profile

Grape Details

Varietals: Petite Sirah (Durif), Zinfandel, Syrah
Vine Age: 31 years (average)
Wine Regions: Mendocino, North Coast, McDowell Valley

Vineyard Size

Planted Area: 62.03 acres

Wine History

There are currently no known wines associated with these grapes. Edit the vineyard blocks to add wines.

Farm Certifications

Certified: California Certified Organic Farmers

Land Profile


Elevation1176.71 ft.
Slope14.5% (8.25°)
AspectSouth (190.57°)

Solar Radiation

Average Radiation TotalWH/m2
Growing Season146482.59

Climate Indices

Index Name
Growing Degree-Days3207.86
Huglin Index2530.86
Biologically Effective Degree-Days1859.1

Temperature & Rainfall

AverageHi °FLow °FRain in.
Growing Season81.748.26.73
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

No winegrapes or bulk wine sourced from this vineyard are currently available...

About Market Listings
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Block List

Planted Areas of this Vineyard (14)

  1. Block: Alligator vineyard (2.4 acres)
    Grape: Petite Sirah (Durif)
    1054.22 ft. | Yorkville
    View block details
  2. Block: Easter (3.33 acres)
    Grape: Zinfandel
    957.93 ft. | Hopland, Yorkville
    View block details
  3. Block: Gypsy (2.67 acres)
    Grape: Zinfandel
    1449.15 ft. | Mayacama
    View block details
  4. Block: House Zin (7.14 acres)
    Grape: Zinfandel
    1458.89 ft. | Hopland, Maymen
    View block details
  5. Block: Kates (3.76 acres)
    Grape: Petite Sirah (Durif)
    749.05 ft. | Hopland, Cole
    View block details
  6. Block: Passador (3.01 acres)
    Grape: Zinfandel
    876.62 ft. | Squawrock
    View block details
  7. Block: Pete Duarte Vineyard (8.7 acres)
    Grape: Petite Sirah (Durif)
    1840.01 ft. | Hopland, Yorkville
    View block details
  8. Block: Quillies Zin (2.35 acres)
    Grape: Zinfandel
    905.96 ft. | Yorkville, Witherell
    View block details
  9. Block: Ram Horn (1.77 acres)
    Grape: Petite Sirah (Durif)
    834.29 ft. | Hopland, Redvine
    View block details
  10. Block: Ram Horn Syrah (3.2 acres)
    Grape: Syrah
    848.99 ft. | Hopland, Redvine
    View block details
  11. Block: Twin Rock (3.43 acres)
    Grape: Zinfandel
    1646.24 ft. | Bearwallow
    View block details
  12. Block: Upper Syrah (9.08 acres)
    Grape: Syrah
    904.93 ft. | Hopland, Redvine
    View block details
  13. Block: Upper Vineyard Zin (5.48 acres)
    Grape: Zinfandel
    1785.11 ft. | Bearwallow, Redvine
    View block details
  14. Block: Woodyard (5.71 acres)
    Grape: Zinfandel
    1162.49 ft. | Wohly, Witherell
    View block details

About Poor Ranch Vineyards

Established 1888. 29 different vineyards. Ages 72yrs-1yr. 7 of them at 1000ft or higher Always has been Organic Dry Farmed and all work done by the family except help at harvest

Edit History

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Vineyard-ID: 43515
Created Date: July 15, 2014
Edit History: View Edit History of this Vineyard

Edit Permission

Unlocked: Anyone may edit this vineyard

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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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