Extension Search / Hawaii

Hawaii Extension

Cooperative Extension in Hawaii is run by University of Hawaiʻi at Mānoa. Extension answers garden, lawn, farm and pest questions, tests soil, identifies plant problems and trains Master Gardener volunteers, mostly for free. Find your local office and services below.

Extension Programs in Hawaii

CTAHR Cooperative ExtensionLand-grant university

University of Hawaiʻi at Mānoa

Master Gardeners Plant and pest diagnostics

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Hawaii Extension Advice on Common Topics

Pages published by Extension in Hawaii. Each opens on the Extension site.

Tomatoes: Home garden tomato
Lawn care: Dogs and lawns
Pruning: Pruning Methods for the Management of Coffee Leaf Rust and Coffee Berry Borer in Hawai'i
Vegetable gardening: Plan your vegetable garden
Composting: Compost for the home garden
Fruit trees: Tropical Fruit Tree Propagation Guide
Apples: Disease index of the rust Puccinia psidii on rose apple in Hawai‘i
Strawberries: Pitaya (dragon fruit, strawberry pear)
Roses: Rose growing in Hawaii
Aphids: Taro root aphid
Powdery mildew: Mango powdery mildew
Weed control: Major Weeds in Pineapple Fields of Hawai'i
Native plants: Best native plants for landscapes
Backyard chickens: Keeping an Eye on Your Flock: Understanding Poultry Eye Diseases in Hawai'i
Garlic: Garlic Production Guidelines for Hawai'i
Potatoes: Insects attacking the sweet potato in Hawaii

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Extension in Other States

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