Garden, Plant, Lawn, Home Diagnostic and Soil Testing Services
Available at The East Meadow Farm’s Diagnostic Lab
Garden, Plant and Lawn Diagnostic Walk-in Service Fee $7 for non-members, no charge for current CCE-NC members (Must show membership card). Includes identification or diagnosis of one garden, plant, lawn or home pest problem and provides Integrated Pest Management Extension recommendations and best management cultural practices. Diagnostic Lab is open Tues. Weds. & Sat. 10 am – 12:30 pm or drop off sample with payment anytime in drop box on porch with payment ($7 per sample, no charge for current members, make check payable to “Cornell Cooperative Extension of Nassau County” or submit samples by mail and/or photos with online registration and payment*.
Soil pH Test. Fee $5 per sample, includes pH and soil texture with recommendations and consultation via email/phone. Diagnostic Lab is open Tues. Weds. & Sat. 10 am – 12:30 pm or drop off in drop box on porch anytime or submit samples by mail with online registration and payment*.
Soil Nutrient Analysis. Fee $30 drop off sample at EMF, we package and ship to lab. Includes pH, buffer pH (lime requirement), organic matter, Modified Morgan phosphorus, potassium and other elements, Cornell recommendations and remote consultation. Diagnostic Lab is open Tues. & Weds. & Sat. 10 am – 12:30 pm or drop off anytime in drop box on porch or submit samples by mail with online registration and payment*.
Soil Heavy Metal Screening (includes lead) is also available. Fee $60 Includes Al, As, B, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Ni, P, Pb, S, Se, Sr, Ti, V, Zn and Extension recommendations and remote consultation. pH Test requires ½ cup of dry soil. All other soil tests require 2 cups of dry garden or lawn soil, no sticks, stones, roots, grass or other debris please. Sample should be submitted in a labeled (name, address, phone, email, type of plant and type of test requested) closeable container or ziplock plastic bag. Visit our page on "How to take a soil sample" for testing. Diagnostic Lab is open Tues. Weds. & Sat. 10 am – 12:30 pm or drop off anytime in drop box on porch or submit samples by mail with online registration and payment*.
Click here for the Questionnaire for Diagnosis of Problems
*For online registration/payment with credit card go to: https://pub.cce.cornell.edu/event_registration/main/events_landing.cfm?event=diagservsoiltesting_228
Cash, Check, Credit Cards, Diagnostic and Soil samples are accepted at:
Diagnostic Lab at East Meadow Farm
832 Merrick Ave.
East Meadow, NY 11554
Tues. Weds. & Sat. 10 am – 12:30 pm
For drop off in drop box (next to front door) include check made payable to “Cornell Cooperative Extension of Nassau County” for full amount. Include name address phone # email and name of plant(s) on all samples. Do not leave cash in drop box. Please use online payment link above.
For questions please contact Vinnie Drzewucki at 526-565-5265 ext. 10 or email email@example.com.
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Soil Survey of Nassau County. This 167-page PDF publication, compiled by the USDA Soil Conservation Service in cooperation with the Cornell University Agricultural Experiment Station, includes maps with soil names and descriptions for Nassau County, NY.
Soil Texture. This factsheet discusses the four soil texture classifications of sands, silts, loams and clays; how they combine to make textural classifications; how soil texture is determined; and the 5 soil management groups in New York State.
Soil Organic Matter. This factsheet describes types of organic matter in soil; their physical, chemical & biological benefits; farm practices that help maintain or increase soil organic matter levels; and the importance of continued monitoring of soil organic matter content.
The Cornell Soil Health website offers a variety of resources on soil testing and improvement.
Soil Testing. Visit our page on "How to take a soil sample" for testing.
For more information on soil quality and testing, click here.
Growing Degree Days (GDD) are a measure of heat accumulation used by horticulturalists to predict the date that a flower will bloom or a crop reach maturity. Statistics for the Northeast are provided on this Cornell Atmospheric Sciences & Turf Team website. See also our page on this topic.
Cornell Gardening page with information on average dates for last spring frost and first fall frost, US hardiness zone map, and microclimates.
Last updated April 15, 2021