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College of Agricultural Sciences Personnel Profile
Personnel Photo of Steven  Newman
Steven Newman
Greenhouse Crops Specialist
Horticulture and Landscape Architecture
College of Agricultural Sciences

Nutrien Building Building, Room
Personal Website:

Steve Newman is an extension specialist and professor with Colorado State University Extension. He has worked in the greenhouse and nursery industry as a university professional since 1985 and has been at CSU since 1994. His experience includes the Gulf Coast region as well as the central Rocky Mountains.

Bousselot, Jennifer M, Newman, Steve E, Smith, Tacy E, Tarantino, Alysha A, Quinn-Sparks, Amy, Dickens, Terrance, Davis, Jessica G, (2021) "Student body demographics in Colorado State University’s online horticulture major" American Society of Horticultural Science Annual Conference

Newman, Steven E, (2019) "Floriculture" Encyclopedia of Environmental Health Volume 3 2nd Edition 19-33

Layman, Marissa L., Ramsey, Craig L., Freebury, Paul C, Newman, Deb Harris, Newman, Steven E, (2019) Two Stage Decontamination of Agricultural Equipment Using Power Washing Followed by Disinfectant Treatments Global Journal of Agricultural Innovation, Research & Development 5 38-45

Layman, Marissa L., Ramsey, Craig L., Freebury, Paul C, Newman, Deb Harris, Newman, Steven E, (2019) Decontamination using Chlorine Dioxide Disinfectant with Adjuvants Verses Hydrogen-Peroxide and Pentapotassium Disinfectants on Farm Equipment Global Journal of Agricultural Innovation, Research & Development 5 38-45

Coleman, Shannon Marie, Bisha, Bledar, Newman, Steven E, Bunning, M. L, Goodridge, Lawrence, (2017) Transmission and Persistence of Salmonella enterica in Nutrient Solution of Hydroponic Greenhouse Grown Tomatoes HortScience 52 5 713-715

(2011) "Floriculture" Nriagu JO (ed)Encyclopedia of Environmental Health, Burlington: Elsevier 2 756–768

(2009) "Edible flowers" Colorado State University Extension, Fact Sheet no 7 237

(2009) Fall-Planted Bulbs and Corms Colorado State University Extension Fact Sheet no 7 410

(2009) "Landscaping for Energy Conservation" Colorado State University Extension Fact Sheet 7 225

(2009) "Poinsettias--home care and culture" Colorado StateUniversity Extension, Fact Sheet no 7 412

(2009) "The Commercial Greenhouse, 3rd edition" Cengage Publishing Albany, New York

(2009) "The Commercial Greenhouse, 3rd edition" Cengage Publishing Albany, New York

(2008) Monitoring mortality of Pythiumzoospores in chlorinated water using oxidationreduction potential Plant Health Progress doi: 10.1094/PHP-2008-0922-01-RS

Lang, Jillian M, Rebits, Brittany, Newman, Steven E, Tisserat, Ned A, (2008) Monitoring Mortality of Pythium Zoospores in Chlorinated Water Using Oxidation Reduction Potential Plant Health Progress 9 1 9

(2006) Performance of selected herbaceous annual ornamentals grown at decreasing levels of irrigation Hortscience 41 1481-1486

Hughes, Harrison G, Hobbs, Elizabeth Ann, Newman, Steven E, Klett, James E, Koski, Anthony J, (2005) (150) Outcome Assessment of Resident Instruction: The Colorado State University Experience HortScience 40 4 1045–1045

(2005) Effects of long-term recycled waste water irrigation on visual quality and ion concentrations of ponderosa pine J Environ Hort 23 4 185-189

(2004) Evaluation of Trichoderma harzianum strains tocontrol crown and root rot of greenhouse freshmarket tomatoes Acta Hort 635 79-85

(2004) Organic fertilization of fresh market sweet basil in a greenhouse Hort technology 14 235-239

(2004) Theeffect of the Trichoderma harzianum strains on thegrowth of tomato seedlings Acta Hort 635 131-135

(2001) Role of ethylene and 1-MCP in flower development and petal abscission in zonal geraniums Hortscience 36 1305-1309

(2000) "Houseplant tips" Colorado State University Cooperative Extension, Bulletin 569A

(1999) A naturally occurring compound for controllingpowdery mildew of greenhouse roses HortScience 34 686-689

(1999) "Efectos del Clima en laFisiología de la Floración" Clima, Fisiologíay Producción de Cultivos Bajo Invernadero, R Leeeditor, Universidad de Bogotá Jorge Tadeo Lozano, Centro de Investigaciones y Asesorías Agro industriales 27-33

(1999) Programación de Picos Clima, Fisiología y Producción de Cultivos BajoInvernadero, R Lee editor, Universidad de Bogotá Jorge Tadeo Lozano, Centrode Investigaciones y Asesorías Agro industriales 35-39

(1998) "Pollution prevention in Colorado commercial greenhouses" Colorado State University Cooperative Extension, Bulletin XCM-206 1999 (ASHS Extension Materials Awards Commercial Ornamentals, Floriculture, and Turf)

(1997) Growth and nutrition of geraniums grown in media developed from components of waste tires HortScience 32 4 674-676

(1997) Photoperiod of poinsettia stock plants influences rooting of cuttings HortTechnology 7 1 41-43

(1995) Root-zone medium influences growth of poinsettias treated with paclobutrazol-impregnated spikes and drenches HortScience 30 1403-1405

(1995) Stimulation of renewal and axillary bud formationof container-grown hybrid tea roses J Environ Hort 13 47-50

Carpenter, Stephen R, Munoz-Del-Rio, Alejandro, Newman, Steven E, Rasmussen, Paul W, Johnson, Brett Michael, (1994) Interactions of anglers and walleyes in Escanaba Lake, Wisconsin Ecological Applications 4 4 822–832

(1994) Row CoverManagement of Field-Grown Cercis canadensis andLagerstroemia (indica x fauriei) 'Muskogee' J Environ Hort 12 2 71-75

(1993) Chemical modification of Photinia x fraseri plant size and lateral branching J Environ Hort 11 5-Jan

(1992) Growthflowering, and transpiration of snapdragonssubjected to low night air temperature andelevated root-zone temperature HortScience 27 796-798

(1992) Leaflet surfaces of blackspot resistant and susceptible roses and their reactions to fungal invasion HortScience 27 133-135

(1991) Increasing library skills of horticulture students HortTechnology 1 126-128

(1989) Influence of uniconazole on Hibiscusrosa-sinensis L HortScience 24 1041

(1988) Effects of irrigation frequency and shading on water relations and plant growth of container-grown Euonymus japonica Thunb Aureo-marginata' J Environ Hort 6 96-100

(1988) High rootzone temperatures, mycorrhizal fungi, waterrelations, and hydraulic root conductivity onselected container grown woody plants J Amer Soc Hort Sci 113 138-146

(1988) Influenceof field bed position, ground surface color,mycorrhizal fungi, and high root-zone temperaturein woody plant container production Plant and Soil 112 29-35

(1987) Effects ofsoil temperature on water relations ofendomycorrhizal nursery crops J Environ Hort 5 93-96

(1986) A chamber for maintaining supra optimal root zone stress temperatures HortScience 21 1444-1445

Newman, Steven E, Sutton, R. K., Lowry, S. R., (1981) Seed-Germination of Ostrya-Virginiana (Mill) K Koch Using Combinations of Scarification, Stratification, and Ga3 Treatments to Overcome Dormancy Hortscience 16 3 409-409

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