Ornamental Research

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Natalie Ruth Bumgarner
Assistant Professor

Amy Fulcher
Associate Professor
Sustainable ornamental plants

Susan Lynne (Sue) Hamilton
Director and Associate Professor

Lori D. Osburn
Greenhouse Manager
Greenhouse Manager

Robert N. (Bob) Trigiano
Cell/tissue culture of ornamentals

Groups and Facilities

(2 mentions)

Weed Diagnostics Center 
Diagnostic testing for weeds of crop and non-crop systems including turfgrass, ornamentals, and utility rights of way.

(1 mention)

Urban Landscape & Nursery 
IPM, ornamental plant production, mycorrhizal applications, weed-insect interactions.

(1 mention)

Mycorrhiza Literature Exchange 
Researchers, literature, books, and reviews.


Turf and Ornamental Field Day, 8/29/2019

Turf and Ornamental Field Day, 8/30/2018

Turf and Ornamental Field Day, 9/7/2017

Turf and Ornamental, 9/10/2015



2019 AgResearch Director’s Awards, 11/5/2019

Dicamba Briefing, 11/27/2017

5 Things You Should Know about the West Tennessee AgResearch and Education Center, 8/9/2017

Promotion and Tenure 2016, 9/29/2016

New Ventures | Creative Agricultural Technologies, LLC, 2/25/2016

New Twists on Traditional Christmas Flower, 11/24/2015

Five Things You Didn’t Know about the Plateau AgResearch and Education Center, 9/17/2015


(5 mentions)

Nursery Industry 
Tennessee is a top producer of ornamental plants. The nursery industry here is concentrated in a very specific part of our state, known for a mild climate and growing beautiful trees and shrubs.


Recent Publications

Evaluating the effect of coir amendment rates on plant water status of container-grown woody ornamentals.  Basiri Jahromi, N., A. Fulcher, F. R. Walker, and J. E. Altland.  2019.  SSSA, 115-9.

University of Tennessee Turf & Ornamental Field Day Proceedings.  Brosnan, J. T.  2019.  Editor.

Control of insects and diseases with intelligent variable-rate sprayers in ornamental nurseries.  Chen, L., H. Zhu, M. Wallhead, and A. Fulcher.  2019.  Journal of Environmental Horticulture, 37(3):90-100.

The role of ornamental flowers in supporting pollinators Erickson, E., S. Adam, L. A. Russo, V. Wojcik, H. M. Patch, and C. M. Grozinger.  2019.  Environmental Entomology.

Characterization of composition and antifungal properties of leaf secondary metabolites from thirteen cultivars of Chrysanthemum morifolium Ramat H. Xue, Y. Jiang, H. Zhao, T. G. Köllner, S. Chen, F. Chen, and F. Chen.  2019.  Molecules, 24: 4202. [Abstract]

Characterization of genic microsatellite loci and genetic diversity analysis for the ornamental plant green and gold Chrysogonum virginianum L.) Nowicki, M., E. E. Schilling, S. Boggess, L. C. Houston, M. L. Huff, M. E. Staton, J. Lampley, and R. N. Trigiano.  2019.  HortScience, HortScience 54(2):395-400. [Abstract]

Ornamental Grasses in the Fall.  Pulte, A. J.  2019.  Fine Gardening.

Diagnosis of Ornamental Plant Diseases Windham, A. S., and M. T. Windham.  2019.  UT Extension, 6pp, W834, Aug 2019.

Characterisation and mefenoxam sensitivity of Phytophthora spp. from ornamental plants in Italian nurseries Aiello, D., Z. R. Hansen, C. D. Polizzi, and V. Guarnaccia.  2018.  Phytopathologia Mediterranea.

Growth Response, Mineral Nutrition, and Water Utilization of Containergrown-Woody Ornamentals Grown in Biochar-amended Pine Bark Basiri Jahromi, N., F. R. Walker, A. Fulcher, J. Altland, and W. C. Wright.  2018.  HortScience, 53(3):347–353. [Abstract]

University of Tennessee Turf & Ornamental Field Day Proceedings.  Brosnan, J. T.  2018.  Editor.

Using social media to increase ornamental entomology and plant pathology outreach.  Hale, F. A., A. S. Windham, D. D. Hensley, and J. F. Grant.  2018.  Proceedings: Annual Meeting of the ESA, Vancouver, BC Canada, November 10-15.