Plants intentionally introduced into the islands of Hawai‘i as crops, livestock forage, ornamentals, and forestry species have escaped cultivation, gone “wild” and now cause economic problems for agricultural producers and land managers. They also take over habitat for rare and endangered native species. For a professional science-based update on this important topic, click here.

Statewide Forage Production Improvement Program

John S. Powley
Maui County Extension Agent
Statewide Project
Grazing Cattle

Control of Invasive Weeds in Rangelands and Natural Areas in Hawaii

Philip Motooka
Statewide Project

Workshop on controlling pasture weeds
Grazing under Forest Plantations for Weed Control and Forage Production

Michael DuPonte
Extension Agent

Dr. James B. Friday
Extension Forester
Hawai'i Island