Products
MAINSPRING GNL
MAINGNL
Mainspring® GNL insecticide for plants, guards greenhouse and nursery crops from key chewing and sucking pests, including thrips, whiteflies, aphids, caterpillars, leafminers, leaf-feeding beetles, soft scales and lacebugs. It offers reliable, extended protection as part of a preventive pest management strategy.
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Description
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Take a Balanced
Approach to
Growth
Harrell's Balanced Approach is a scientifically supported, integrated, and proactive use of agronomic resources to maximize plant health and consistency.
SOIL
WATER
NUTRITION
PROTECTION
Don't grow it alone. Connect with Harrell's to harness the power of research, science, and support in ways you never thought possible.
In addition to being the nation’s largest distributor of branded fungicides, herbicides, and insecticides, Harrell’s produces custom-blended fertilizers, specialty liquids, and wetting agents. Additionally, Harrell’s is the exclusive US owner, formulator, and distributor of all POLYON® branded products.
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LET'S GROW
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PRESS RELEASES
STAY EQUIPPED
Never stop learning. Access FREE continuing education courses from Harrell’s.
LET'S GROW
