From backyard cookouts to holiday gatherings, watermelon is a summertime favorite across America. Supporting local growers means enjoying fresh, flavorful fruit while recognizing the dedication and hard work behind every harvest.

At TriEst Ag Group, we are proud to support growers with solutions that help produce strong, healthy crops throughout the season. Tri-Hishtil, TriEst’s grafted plant partner, provides grafted watermelon plants designed for vigor, quality, and dependable performance.

Wishing everyone a safe and happy Independence Day filled with great food, family, and fresh watermelon

Healthy fields start with strong plants.

Tri-Hishtil grafted watermelon plants are designed to help growers manage some of the toughest soil-borne disease challenges in watermelon production, including Fusarium Wilt. By combining vigorous rootstock with quality scions, grafted plants can provide stronger root systems and improved plant resilience throughout the growing season.

Protect your crop from the ground up with Tri-Hishtil grafted watermelon plants.

Peace of mind starts below the soil. Through our partnership with Tri-Hishtil, TriEst Ag Group helps connect growers with grafted watermelon plants featuring strong, disease-resistant root systems that help manage soil-borne disease pressure and support healthier, more reliable yields. A smart layer of crop protection from the very beginning.

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.

Stronger starts lead to stronger finishes. Tri-Hishtil grafted watermelons provide vigorous root systems with enhanced tolerance to soil-borne diseases such as Fusarium wilt, supporting improved plant health, fruit uniformity, and extended harvest windows. Built for consistent field performance from transplant to harvest.

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.

Stronger roots. Smarter investment. Tri-Hishtil grafted tomatoes deliver enhanced disease resistance, improved vigor, and the potential for higher yields at harvest in greenhouse production. The added value at planting translates to performance and profitability.

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.

Field-ready performance you can see. Tri-Hishtil grafted watermelons provide stronger root systems, enhanced disease resistance, and the potential for higher, more uniform yields at harvest. Grow with confidence from planting to pick.

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.

There are several options for rootstocks available for grafted watermelon plants. Choosing a rootstock is specific to the issues faced on an individual farm, whether that be the need for better yields, fusarium wilt management, or nematodes, etc. Tri-Hishtil has solutions to fit your growing needs.

With Tri-Hishtil's commitment to innovation and grower support, Tri-Hishtil is a trusted partner in building a more resilient and profitable crop. Learn more about the grafted advantage.

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.

There are several options for rootstocks available for grafted watermelon plants. Choosing a rootstock is specific to the issues faced on an individual farm, whether that be the need for better yields, fusarium wilt management, or nematodes, etc. Tri-Hishtil has solutions to fit your growing needs.

Grafted watermelons are a powerful solution for growers looking to boost yields while possibly reducing plant population. With increased disease resistance and improved root systems, grafted varieties help maximize efficiency and productivity. Tri-Hishtil is dedicated to advancing sustainable farming solutions.

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 tomato plants are an ideal solution for roadside market growers and those working with limited acreage. Discover how grafted plants can elevate your growing operation.

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.