Virginia Tech™home

Holly Scoggins

Associate Professor
Holly Scoggins
Horticulture 0327
490 W Campus Dr 306-C Saunders
Blacksburg, VA 24061

Overview

My teaching, research, and Extension programs focus on specialty crops - the production practices and technology related to greenhouse- and nursery-grown floriculture crops, cut flowers, hydroponic vegetable and herb production, and field-grown hops (Humulus lupulus).

Education

  • Ph.D. Horticultural Science, North Carolina State University, 1999
  • M.S. Horticulture, University of Georgia, 1995
  • B.S. Agricultural Economics, University of Georgia, 1984

Certification

  • Virginia Tech - Technology-enhanced Learning and Online Strategies, Mastery of Online Teaching

Current Memberships

  • Pi Alpha Xi -  Honor Society for Horticulture 
  • American Society for Horticultural Science 
  • Perennial Plant Association 
  • Association for Specialty Cut Flower Growers

Much of my work has been focused on challenges associated with propagation and growth of herbaceous plants (perennials, annuals, tropicals) in controlled environments. Project outcomes include information to help commercial growers produce high quality, saleable plants by improved propagation practices and manipulation of inputs such as plant growth regulators, irrigation, and fertilizer.  Recent research includes emerging crops such as hops (Humulus lupulus).  Little information exists regarding which hop cultivars are the best-suited to mid-Atlantic conditions, or the production practices that reduce incidence of disease and optimize yields. Our research hop yard at the Urban Horticulture Center trials up to 14 cultivars annually. Additional studies include impact of training time on yield and development of a Site Analysis Tool for hops with the Center for Geospatial Information Technology.  We have also embarked on comparison of various hydroponic systems for greenhouse vegetable and herb production (includes an outreach component). Funding for current and past research has been provided by Virginia Agricultural Council, USDA Specialty Crop Block Grants via VDACS, and the Fred C. Gloeckner Foundation.

Courses taught (annually unless noted otherwise)  

  • HORT 4614: Ornamental Plant Production and Marketing
  • HORT 4324: Greenhouse Management (2X annually)
  • HORT 3345: Herbaceous Landscape Plants I
  • HORT 3346: Herbaceous Landscape Plants II
  • HORT 2244: Plant Propagation

Faculty advisor to the Virginia Tech Kappa Chapter of Pi Alpha Xi, the Honor Society for Horticulture.

Advised 16-19 undergraduate students per year (2000-2018) before SPES moved to central academic advising model.  Have advised or co-advised to degree completion two Ph.D.s  and six M.S. students in Horticulture, and six Masters of Agriculture and Life Sciences students, from 2006-2019. Have mentored four undergraduate research projects since 2009.

Associate Professor | 2005 to 2019
School of Plant and Environmental Sciences (2018-2019)
Department of Horticulture (2005-2018)
Virginia Polytechnic Institute and State University

Director | 2002 through 2014
Hahn Horticulture Garden, Deptartment of Horticulture
Virginia Polytechnic Institute and State University

Assistant Professor | 1999 to 2005
Department of Horticulture
Virginia Polytechnic Institute and State University

Graduate Teaching Assistant | 1996 to 1999
Department of Horticultural Science
North Carolina State University

Graduate Teaching Assistant | 1995 to 1997
Department of Horticulture
University of Georgia

Memberships

  • American Public Gardens Association – 2002-2014
  • American Society for Horticultural Science – 1994-current
  • Perennial Plant Association – 2000-current
  • Pi Alpha Xi Honor Society for Horticulture – 1996-current
  • Teaching Award - Gamma Sigma Delta, Honor Society of Agriculture, VT Chapter, 2014
  • Professional of the Year - Virginia Nursery and Landscape Association, 2012
  • Academic Award - Perennial Plant Association (national organization), 2008
  • Certificate of Teaching Excellence - College of Agriculture and Life Sciences, Virginia Tech, 2006-2007

Frequent speaker at state, regional, and national gardening and green industry conferences and symposia. Part of statewide team on the forefront of hops production (research and extension). Lead organizer and host of 2018 South Atlantic Hops Conference. Author or co-author of several Extension publications.   Director of the Hahn Horticulture Garden from 2002 through 2014.

Industry Boards, Offices, and Association

  • Old Dominion Hops Cooperative – Board member – 2016-current
  • Perennial Plant Association – President Elect 2019-2020

Selected Recent Extension Publications

  1. Jackson, D., L. Siegle, H.L. Scoggins. 2019.  Irrigation Considerations for Commercial Crop Producers. Virginia Cooperative Extension Publication #SPES-95P. https://www.pubs.ext.vt.edu/SPES/SPES-95/SPES-95.html
  2. Garber, B., K.L. Morgan, H. Scoggins, and L. Siegle.2019.   User Notes for Small-scale Virginia Commercial Hops Production Enterprise Budgets and Financial Statements. Virginia Cooperative Extension Publication #AAEC-170NP.
  3. Latimer, J., H. Scoggins. 2019. Plant growth regulators for containerized herbaceous perennials.  In: Total Plant Management for Herbaceous Perennials, University of Maryland Coop. Ext. Bull. 359.
  4. Sharpe, S., H.L. Scoggins,D. Langston, and S. Rideout. 2019. Most troublesome pumpkin diseases in Virginia. Virginia Cooperative Extension Publication SPES-140NP.
  5. Siegle L. and H. Scoggins. 2019. Virginia hop grower survey: 2018 results. Virginia Cooperative Extension Publication SPES-131NP.
  6. Siegle, L., H.L. Scoggins, and A. Vallotton. 2018. Fresh hops harvesting and handling tips. Virginia Cooperative Extension Publication SPES-43NP.
  7. Siegle L. and H. Scoggins. 2018. Hops in Virginia: need-to-know information about the industry. Virginia Cooperative Extension Publication HORT-288NP
  8. Siegle L. and H. Scoggins. 2018. Hops in Virginia: Need-to-Know Information about Extension Resources. Virginia Cooperative Extension Publication HORT-287NP
  9. Latimer, J.G. and H.L. Scoggins. 2018. Using plant growth regulators on herbaceous perennials. Virginia Cooperative Extension Publication HORT-281P.  .
  10. Scoggins, H., L. Siegle, and A. Vallotton 2016. GAPS and FSMA – an overview for hop growers in Virginia. Virginia Cooperative Extension Publication HORT-237NP.
  11. Scoggins, H.L. 2015. Herbaceous Landscape Plants. Chp 17, pp 497-507. Master Gardener Handbook: A Guide to Gardening in Virginia. Virginia Cooperative Extension Publication #426-600.
  12. Siegle, L. and H. Scoggins. 2015. Hops in Virginia: Need-to-Know Information about Extension Resources, Virginia Cooperative Extension Publication HORT-182NP. Virginia Tech.
  13. Scoggins, H. 2014. Getting started in the production of field-grown cut flowers 2014. Virginia Cooperative Extension Publication #426-618.
  14. Scoggins, H. 2014. Marketing Specialty Cut Flowers. Community, Local and Regional Food Systems, eXtension.org. http://www.extension.org/pages/70577/marketing-specialty-cut-flowers#.U4d2wii4N5A
  15. Latimer, J.G. and H.L. Scoggins. 2012. Using plant growth regulators on herbaceous perennials. Virginia Cooperative Extension Publication #430-103.  44 p. http://pubs.ext.vt.edu/430/430-103/430-103.html

(asterisk denotes graduate or undergraduate student):

Books and book chapters

  1. Scoggins, H. and K. Williams. 2018. Formulating fertilizer programs, Chp 8, pp 137-164. In: (D.J. Merhaut, ed.), Water and Nutrient Management for Greenhouse Crops., University of California Agriculture and Natural Resources, Oakland, Calif.
  2. Gibson J., B. Whipker, and H. Scoggins. 2018. Visual symptoms of nutritional and other disorders, Chp 12, 207-224. In: (D.J. Merhaut, ed.), Water and Nutrient Management for Greenhouse Crops., University of California Agriculture and Natural Resources, Oakland, Calif.
  3. Kyte, L., J. Kleyn, H. Scoggins, and M. Bridgen. 2013. Plants from Test Tubes: An Introduction to Micropropagation. 4th ed. Timber Press, Portland, Ore.
  4. Latimer, J.G. and H.L. Scoggins, eds. 2011. Greenhouse operator's training manual. 4th ed. (14 chapters). Virginia Flowers Growers Association.
  5. Scoggins, H.L. 2014. Producing seedlings and bedding plants, Chapter 37, 439-451. In: (C. Beyl and R. Trigiano, eds.) Plant Propagation Concepts and Laboratory Exercises. 2nd ed. CRC Press, Taylor & Francis Group. Boca Raton, Fla.

Journal publications (recent)

  1. Angelella, G. M., L. Stange, H.L. Scoggins, and M. E. O’Rourke. 2019. Pollinator Refuge Establishment and Conservation Value: Impacts of Seedbed Preparations, Seed Mixtures, and Herbicides.  HortScience 54(3): 445-451.
  2. Fields, J. S., J.S. Owen, and H.L. Scoggins. 2017. The Influence of Substrate Hydraulic Conductivity on Plant Water Status of an Ornamental Container Crop Grown in Suboptimal Substrate Water Potentials. HortScience 52(10), 1419-1428. doi:10.21273/HORTSCI11987-17
  3. Harris*, W.K., J.G. Latimer, J.F. Freeborn, M. Aiken, and H.L. Scoggins. 2015.Overwintering survival and vigor of container grown fountain grass: influence of protective covers, fertilizer rate and substrate moisture content. HortTechnology 25(6):791-795
  4. Aiken, M.G., H.L. Scoggins, and J.G.Latimer. 2015. Substrate pH impacts efficacy of ethephon drenches on growth of herbaceous perennials. HortScience 0:1187-1191.
  5. Grossman*, M., J. Freeborn, H. Scoggins, and J. Latimer. 2014. Effects of application time of benzyladenine on the branching and growth of herbaceous perennial liners. Acta Hort 1042:237-242.
  6. Grossman*, M., J. Freeborn, H. Scoggins, and J. Latimer. 2013. Timing of benzyladenine and dikegulac sodium application affects branching of liners and finished herbaceous perennial plants. HortScience 48:875-882
  7. Twardowski, C.M*, J.L. Crocker, J.R. Freeborn and H.L. Scoggins. 2012. Quantity and quality of cuttings influenced by stock plant nutrition of herbaceous perennials. HortTechnology 22:89-93
  8. Grossman*, M., J. Freeborn, H. Scoggins, and J. Latimer. 2012. Benzyladenine increases branching but reduces root growth of herbaceous perennial liners. HortScience 47(8):1085-1090.
  9. Gillman, J. L. Chalker-Scott, H. Scoggins, and B. Cregg. 2011. A successful multi-institutional blog for transferring garden and landscape information to the public. Journal of Extension [On-line], 49(6) Article 1COM1. Available at: http://www.joe.org/joe/2011december/comm1.php