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MG Diagnostic
Hotline
Our Master Gardener volunteers are here to answer your horticultural questions
on Monday, Wednesday and Friday mornings from 9 am to 12 noon from May through
October, to contact the hotline call (810) 989-6935. The Master Gardener
Volunteers provide research-based information from Michigan State University,
answering questions about lawns, gardens, soil tests, trees and shrubs as well
as pest identification/management and moreā¦
Master Gardener Hotline Calendar
SAMPLES BROUGHT FOR DIAGNOSTICS - All plant or insect samples must be brought in
a clear, sealed glass or plastic container. Samples must be accompanied by a
completed Diagnostic Intake Form available at our front counter or on line in
a pdf file format. Residents may also send the sample to the Michigan State
University Horticulture Lab at their own expense (mailing/handling) - a brochure
on those details will be provided. We do ask that you please follow certain
guidelines when obtaining samples for analysis - please see table below for
specifics!
To view the Diagnostic Intake Form online, you
will need

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Guidelines for Collecting Diagnostic Lab Samples |
Insects and other animals:
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Please don't squish the creatures, we need all parts of the organism to identify
it properly. If you must kill, do so by freezing for a couple of days or by suffocating
in sealed plastic. |
Turfgrass:
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Large samples of turfgrass are required for proper analysis. We request that you
cut a one foot square from the affected area, at the margin between healthy and
diseased turf. Dig down to include about two inches of soil and roots with your
sample. Please bring your sample in a plastic garbage bag, clear or opaque is fine. |
Plant tissues:
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We need any evidence you can safely bring in. For trees, please bring a small branch
with leaves and twigs still attached. If the entire tree is suffering, take a picture
of it and bring that in with the branch sample. |
MSU is
an affirmative-action, equal-opportunity employer. Michigan State University Extension programs and materials are open to all without regard to race, color,
national origin, gender, gender identity, religion, age, height, weight, disability, political beliefs, sexual orientation,
marital status, family status or veteran status. Issued in furtherance
of MSU Extension work, acts of May 8 and June 30, 1914, in cooperation with the
U.S. Department of Agriculture. Thomas G. Coon, Director, MSU Extension, East Lansing,
MI 48824. This information is for educational purposes only. Reference to commercial
products or trade names does not imply endorsement by MSU Extension or bias against
those not mentioned.
Accommodations for persons with disabilities may be requested three days before
the event by calling to make the arrangements,
requests received after three days will be met when possible.
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