David Johnson

Muscat hybrid test plot

Vineyard Overview

David Johnson


Muscat hybrid test plot

Planted Area

0.16 acres


Edit Vineyard


1009 Iris Street
Milton, WA, 98354

Everyvine Rating

Not rated

Everyvine has not yet collected enough information about vineyards growing this grape varietal to publish significant results. Learn more...

Information about the planted areas of this vineyard

Grape Profile

Grape Details

Varietals: Muscato
Wine Regions:

Vineyard Size

Planted Area: 0.16 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


Elevation144.41 ft.
Slope4% (2.31°)
AspectWest (272.09°)

Solar Radiation

Average Radiation TotalWH/m2
Growing Season124237.27

Climate Indices

Index Name
Growing Degree-Days1903.15
Huglin Index1640.47
Biologically Effective Degree-Days1120.74

Temperature & Rainfall

AverageHi °FLow °FRain in.
Growing Season69.248.514.07
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
Winegrape, Bulk Wine, and Shiners are provided in partnership with Vineyard and winery managers can link classified listings to vineyards on Everyvine by logging in at

Block List

Planted Areas of this Vineyard (1)

  1. Block: 1 (0.16 acres)
    Grape: Muscato
    144.41 ft. | Kapowsin
    View block details

About Muscat hybrid test plot

A small trial wine grape vineyard 50 x 110 feet diameter, approximately 80 feet above sea level, on a Western Slope. Soil type is modified silt sand with frequent hardpan layers at 36 inches depth. Slope aspect of vineyard site is about 4% SW. Good light exposure and above the fog belt. Precipitation, 38 inches annually, GDD 'estimate' about 1, 850 AHU / 50 degrees. Varieties grown, mostly muscat type hybrid wine grapes with some red hybrids, as well as a few 'Vinifera' wine types.

Edit History

Want to change something? Edit this vineyard


Vineyard-ID: 2961
Created Date: October 2, 2012
Edit History: View Edit History of this Vineyard

Edit Permission

Unlocked: Anyone may edit this vineyard

If you are the owner of this vineyard you can lock editing. If locked, a vineyard is not editable by anyone other than the owner. You can lock the vineyard on this page

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
Skip to toolbar