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Gardening Helplines

Trained Master Gardeners are available to answer your gardening questions. When a question requires research the caller’s name and number is taken and the person is contacted after the correct answer is determined. Walk-ins are welcome. Sometimes it is very helpful when the trained Master Gardener can see the plant and pests in person.

Kaua'i Master Gardener Helpline

Day: Monday - Friday
Time: 1 pm to 4:30 pm
Phone: (808) 274-3471
email: KauaiMG@ctahr.hawaii.edu
Place: Kaua'i Cooperative Extension Service Office, 3060 Eiwa St. (State Office Bldg. Rm 210) in Lihue

O'ahu Master Gardener Helpline

Day: Wednesday
Time: 9 am to noon
Phone: (808) 453-6055
email: OahuMg@ctahr.hawaii.edu
Place: Pearl City Urban Garden Center, 955 Kamehameha Hwy.

Maui Master Gardener Helpline

Day: Monday, Wednesday, Friday
Time: 9 am to noon
Phone: (808) 244-3242 ext. 228
email: MauiMg@ctahr.hawaii.edu
Place: Kahului Cooperative Extension Service Office, 310 Kaahumanu Ave., Bldg 214

East Hawai'i Master Gardener Helpline

Day: Monday, Tuesday & Friday
Time: 9 am to noon
Phone: (808) 981-5199
email: himga@hawaii.edu
Place: Komohana Research & Extension Complex, 875 Komohana St. in Hilo

West Hawai'i Master Gardener Helpline

Day: Tuesday and Thursday
Time: 9 am to noon
Phone: (808) 322-4892
email: KonaMg@ctahr.hawaii.edu
Place: Kona Cooperative Extension Service Office, 79-7381 Mamalahoa Hwy. in Kainaliu (across from Aloha Theater)