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December 18, 2025
Strong Foundation of Success with Grafted Watermelons

Build your success on the strong foundation of grafted watermelons. Developed for enhanced root strength, improved disease resistance, and increased yield potential. Experience the proven benefits Tri-Hishtil grafted plants in your field.


Tri-Hishtil brings together three pioneers in the agricultural industry from around the world; TriEst Ag Group, Inc. in the USA; Israel-based Hishtil, and Italian-owned and operated SIS/Centro SEIA.

# Grafted Plants # Tri-Hishtil # Watermelons
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Strong Foundation of Success with Grafted Watermelons

Tri-Hishtil brings together three pioneers in the agricultural industry from around the world to the Mountains of North Carolina to become a leader in plant grafting. Our company provides the vegetable production sector with a greener and more environmentally friendly solution for the currently increasing challenges with growing disease and environmental regulations. We are committed to growing strong grafted plants that require fewer inputs and produce higher yields for farmers.