University of Hawai‘i at Manoa
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Last updated on Wednesday, March 8, 2023     Make updates ->

James  Keach

Name :

James Keach

Title :

Assistant Extension Agent - Ornamentals / Master Gardeners

Unit :

Department of Tropical Plant and Soil Sciences

Office :

Kauai Extension Office

Address :

3060 Eiwa Street
                  Lihue, HI 96766

Phone :

(808) 274-3475

Fax :

(808) 274-3474

E-mail :

Specialties :

Plant Breeding

Professional Prep/Appointments :


PhD - Plant Breeding - 2016
Cornell University

Masters - Crop Science - 2009
Washington State University

BA - Natural Science - 2005
Hampshire College

Professional Appointments

Assistant Extension Agent - Ornamentals, Master Gardeners
Tropical Plant & Soil Sciences
UHM - Kauaʻi Cooperative Extension Office

Assistant Professor
Tropical Plant & Soil Sciences
UHM - Komohana Research & Extension Center

Researcher - Orchids
Gardens by the Bay - Singapore

Nursery Aide 
Frankie's Nursery - Waimānalo

Research Assistant
DuPont Pioneer Hi-Bred - Kunia


TPSS/NREM 475 - Plant Nutrient Diagnosis
(taught 2018, 2019; not currently offered)

Selected Recent Publications :

Susan C. Miyasaka; Angel R. Dell Valle-Echevarria; Thomas K. Wolfgruber; Michael B. Kantar; James E. Keach; Heather Kimball; Wesley Ulloa; James B. Friday. 2019 (submitted). ‘Cross-Pollinations of Acacia koa A. Gray, a Hawaiian endemic tree, and Validation via Genotype-by-Sequencing (GBS)’. Tree Genetics & Genomes.

James E. Keach. 2018. ‘A world brought together by orchids: the 22nd World Orchid Conference’. Malayan Orchid Review

Shah, M. A., Keach, J. E., & Panichayupakaranant, P. 2018. ‘Antidiabetic Naphthoquinones and their plant resources in Thailand’. Chemical and Pharmaceutical Bulletin of the Pharmaceutical Society of Japan, 66(5), 483-492.

James E. Keach; Mei Leng Lim; Jassy Phua; Siti Nurziana Yacob; Andrea Kee; Kiat W. Tan. 2017 ‘Cool at the Equator: The history and potential of species from divergent temperature zones in orchid breeding’. Proceedings of the 22nd World Orchid Conference – Guayaquil, Ecuador.

Panichayupakaranant, P., Md, I. A., & Keach, J. E. 2017. ‘Synergistic effect of α-mangostin on antibacterial activity of tetracycline and erythromycin against acne involved bacteria’. Planta Medica International Open, 4(S 01), Mo-PO.

James E. Keach. 2017. 'Profile of a Young Grower: Edrei Quek – A dedicated hobbyist-turning-professional'. Malayan Orchid Review.

PhytoRealism: International Adventures in Plant Germplasm. 2015-2016. Blog documentation of the Dreer Award Internships.

J Keach, M Daughtrey, M Bridgen. 2015. 'Towards Improvement of Impatiens'. Proceedings of the 2015 Annual Meeting of the International Plant Propagators' Society. 1140 pp. 317-326.

Keach, J. and M.P. Bridgen.  2014. ‘Breeding downy mildew resistance in Impatiens walleriana’.  In M.P. Bridgen (ed.) 2014 Annual Report, Long Island Horticultural Research & Extension Center Bulletin #87.  Page 31.

Languages :

English, Spanish, Thai