U.S. Corporate Headquarters
P.O Box 8353
Wilmington, DE 19803-8353
Phone: (302) 425-2000

Fafard
P.O. Box 790
770 Silver Street
Agawam, MA 01001-0790
Phone: 1-800-732-8667
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Syngenta Flowers
6899 Winchester Circle,
Suite 102
Boulder, CO 80301
Phone: 1-800-344-7862
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Garst Seeds
2369 - 330th Street
Slater, IA 50224
Phone: 1-888-GO-GARST
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Golden Harvest Seeds
100 JC Robinson Blvd
PO Box 307
Waterloo, NE 68069
Phone: 1-800-228-9906
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HILLESHÖG
11939 Sugarmill Road
Longmont, CO 80501-9713
Phone: (303) 776-1802
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NK Seeds
7500 Olson Memorial Hwy.
Golden Valley, MN 55427
Phone: (763) 593-7333
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Rogers Seeds
P.O. Box 4188
Boise, ID 83704 - 4188
Phone: (208) 322-7272
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Syngenta Bioline
PO Box 2430
Oxnard, CA 93034
Phone: (805) 986-8265
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Syngenta Biotechnology
PO Box 12257
Research Triangle Park
North Carolina 27709-2257
Phone: (919) 541-8500
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Syngenta Crop Protection
Headquarters
P.O. Box 18300
Greensboro, NC 27419
Phone: (336) 632-6000
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Syngenta Horticultural Services
4343 Commerce Court
Lisle, IL 60532-3672
Phone: (630) 969 6300
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Syngenta Professional Products
Headquarters
P.O. Box 18300
Greensboro, NC 27419
Phone: 1-866-796-4368
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Syngenta Seeds
Headquarters
7500 Olson Memorial Hwy.
Golden Valley, MN 55427
Phone: (763) 593-7333
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