Whitehall Lane Winery

Leonardini Vineyard

Vineyard Overview

Whitehall Lane Winery


Leonardini Vineyard

Planted Area

12.27 acres


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1563 St. Helena Hwy South
St Helena, CA, 94574




Everyvine Rating

Not rated

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Information about the planted areas of this vineyard

Grape Profile

Grape Details

Wine Regions: Napa Valley, North Coast, Saint Helena

Vineyard Size

Planted Area: 12.27 acres

Wine History

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

Farm Certifications

These blocks do not have any farm certifications

Land Profile


Elevation233.08 ft.
Slope0.8% (0.45°)
AspectEast (96.42°)

Solar Radiation

Average Radiation TotalWH/m2
Growing Season141784.26

Climate Indices

Index Name
Growing Degree-Days3533.89
Huglin Index2651.43
Biologically Effective Degree-Days1970.99

Temperature & Rainfall

AverageHi °FLow °FRain in.
Growing Season83.149.94.98
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...

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Block List

Planted Areas of this Vineyard (4)

  1. Block: 1 (3.81 acres)
    Grape: Unknown
    234.4 ft. | Cortina, Pleasanton
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  2. Block: 2 (4.57 acres)
    Grape: Unknown
    235.06 ft. | Cortina
    View block details
  3. Block: 3 (3.07 acres)
    Grape: Unknown
    232.21 ft. | Cortina
    View block details
  4. Block: 4 (0.82 acres)
    Grape: Unknown
    230.65 ft. | Cortina
    View block details

About Leonardini Vineyard

The Leonardini Vineyard was first planted to grapes in the late 1800's when the Lewelling Family settled on a large tract of land on the southern outskirts of St. Helena. The old-time farmers of the area have said that the soil, Cortina Gravely Loam, in this particular area is renowned for "black" wine grapes. The quality of the harvests varied greatly depending on seasonal rainfall due to the fast draining soils. Due to the uncertainty of yearly harvests, the Lewelling Family turned the vineyard into grazing pastureland in the early 1900's. They also planted grain on a few occasions before leasing the property to the City of St. Helena for a proposed airport. The airport was never constructed but an unused dirt airstrip stood for a number of years.

In 1940, the Lewelling Family sold part of their tract to Fred Boraldo that included what are now the Leonardini Vineyard and the Harvest Inn. During these years, the electric railroad ran trains across the western edge of the property and Boraldo continued to use the land for grazing cattle. Boraldo sold the property to Richard Geyer in 1973 and in 1979 Geyer built the Harvest Inn on the lot that fronts the main highway.

Wild mustard and various grasses grew in the 14-acre vineyard site behind the Harvest Inn until 1989 when the vineyard was finally replanted under the direction of Whitehall Lane Winery. In 1993 the Leonardini Family of Whitehall Lane Winery bought the vineyard. Two separate wells were sunk and irrigation added to feed the vines during the growing season and rootstocks and clones were perfectly matched to the climate and soil to insure quality fruit.

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Vineyard-ID: 3120
Created Date: January 4, 2013
Edit History: View Edit History of this Vineyard

Edit Permission

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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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