Larry Rupp
Plants, Soils and Climate
Professor Emeritus | Ornamental Horticulture Specialist

Expertise
Native Plant Propagation, Woody Plant Materials, Water Conservation
Biography
Native of Salt Lake County, Utah. Employed on the faculty of USU since 1984 as a landscape horticulturist.
Teaching Interests
Plant Propagation Landscape Management Greenhouse Management and Crop Production Landscape Water Conservation
Research Interests
Selection and propagation of native woody plants for use in water conserving landscapes
Awards
2016 Pi Alpha Xi Photography Contest, First Place, Perfect Partners Division, 2016
Am Soc Hort Science - Pi Alpha Xi
Western Extension Directors Association Award of Excellence, 2014
Western Extension Directors Association
2012 Pi Alpha Xi Photography Contest Best in Show, 2012
Am Soc Hort Science - Pi Alpha Xi
ASHS Undergraduate Poster Award to Kevin Cope, 2011
American Society for Horticultural Science
US Dept of the Interior Cooperative Conservation Award, 2005
Distinguished Service Award - Utah Water Conservation Forum, 1999
Innovative Specialist's Award, Utah State University Extension, 1997
National Extension Leadership Development Intern, 1997
President's Award - Utah Nursery and Landscape Association, 1997
American Society for Horticultural Science Extension Educational Aids Award, 1995
Teacher of the Year, 1994
Utah State University College of Agriculture
AAAS Pacific Division Student Paper Award to JerriAnn Ernstsen, 1993
AAAS Pacifici Divsion
AAAS Pacific Division Klauber Student Paper Award to Kirsten Marquardt, 1989
AAAS Pacifici Divsion
Publications | Abstracts
- Paudel, A., Sun, Y., Rupp, L.A, Carman, J.G, Love, S., (2021). Developing Ceanothus velutinus for nursery production and landscape use. HortScience 56(9): S237-238. (Abstr.) *
- Paudel, A., Sun, Y., Rupp, L.A, Carman, J.G, Love, S., (2020). Overcoming seed dormancy in Ceanothus velutinus and Cercocarpus montanus. HortScience 55(9): S132-133. (Abstr.) *
- Paudel, A., Sun, Y., Rupp, L.A, Carman, J.G, (2019). Propagation of Cercocarpus montanus, a native woody plant. International Plant Propagators Society *
- Buhler, M.R, Rupp, L.A, (2015). Late fall propagation of native woody plants in Utah using Nearing frames. . International Plant Propagators Society
- Rupp, L.A, Cutting Propagation of Little-leaf Mountain Mahogany. IPPS *
An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.
Publications | Books
- Croft, A., Rupp, L.A, Kratsch, H., (2011). Landscape Maintenance: Water-Efficient Landscaping in the Intermountain West. Utah State University Press
- spranger, a.m, Cardon, G., Patterson, R., Heflebower, R.F, Croft, A., Kratsch, H., Kopp, K., Gunnell, J., Shao, M., G., Rupp, L.A, (2011). Water-Efficient Landscaping in the Intermountain West: A Professional Do-It-Yourself Guide: Water-Efficient Landscaping in the Intermountain West: A Professional Do-It-Yourself Guide. CHAPTER ONE: PLANNING AND DESIGN. USU Press
- Rupp, L.A, Kjelgren, R.K, (2006). Stewardship and the Concept of Yield in Landscape Water Conservation: Stewardship and the Creation: LDS Perspectives on the Environment. Religious Studies Center, Brigham Young University
Publications | Book Chapters
An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.
Publications | Fact Sheets
- Wheaton, A., Rupp, L.A, Caron, M.S, (2018). Landscape Plants for Eagle Mountain, Utah. USU Extension
- Rupp, L.A, (2015). Berberis repens in the Landscape. WERA-1013
- Rupp, L.A, Frandsen, K., (2015). Water-Wise Landscaping: Ideas for Landscape Water Conservation Without Changing Your Landscape Design. USU Extension
- Rupp, L.A, Frandsen, K., (2015). Cost Free Landscape Water Conservation Ideas. USU Extension
- Rupp, L.A, Whitesides, R.E, Kettenring, K., Hazelton, E., (2014). Phragmites Control at the Urban/Rural Interface. USU Extension
- Rupp, L.A, (2012). Cercocarpus ledifolius var. intricatus in the Landscape. . WERA-1013 working group *
- Richards, M., Rupp, L.A, (2011). Propagating bigtooth maple.
An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.
Publications | Curriculum
- Rupp, L.A, Sagers, L.A, (2010). Plant Propagation: Utah Master Gardener Manual. USU Extension *
An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.
Publications | Journal Articles
Academic Journal
- Paudel, A., Sun, Y., Rupp, L.A, Carman, J.G, Love, S., (2022). Vegetative propagation of Ceanothus velutinus using stem cuttings. Native Plants Journal, 23:1, 123-129.
- Lawson, K.C, Rupp, L.A, Sun, Y., Newhall, R., Reid, C.R, (2021). Propagating selected Pinus monophylla accessions by grafting to Pinus edulis seedling rootstocks. Native Plants Journal, 22:3, 293-305 .
- Lawson, K.C, Rupp, L.A, Sun, Y., Newhall, R., (2021). Propagation of pinyon pine: Topworking Pinus monophylla to Pinus edulis rootstocks. Native Plants Journal, 22:3, 280-292.
- Chen, J., Norton, J.M, Kratsch, H., Sun, Y., Rupp, L.A, (2021). Nodulation of Shepherdia ×utahensis ‘Torrey’ and the diversity of symbiotic Frankia strains. HortScience, 56:7, 762-768. doi: 10.21273/HORTSCI15726-21
- Paudel, A., Sun, Y., Rupp, L.A, Carman, J.G, Love, S., (2020). Overcoming seed dormancy in two rocky mountain native shrubs: Ceanothus velutinus and Cercocarpus montanus. Native Plants Journal, 21:3, 359-364.
- Chen, J., Kratsch, H., Norton, J.M, Sun, Y., Rupp, L.A, (2020). Nodulation and plant growth of Shepherdia x utahensis ‘Torrey’ topdressed with controlled-release fertilizer. HortScience, 55:12, 1-7. doi: 10.21273/HORTSCI15260-20
- Cope, K.R, Rupp, L.A, (2013). Vegetative Propagation of Juniperus osteosperma (Utah Juniper) by Cuttings. Native Plants Journal, 14:2, 76-84.
- Richards, M.R, Rupp, L.A, Kjelgren, R.K, Rasmussen, V., (2012). Selection and Budding Propagation of Native Bigtooth Maple for Water-conserving Landscapes. HortTechnology, 22, 669-676.
- Richards, M.R, Rupp, L.A, Kjelgren, R.K, Rasmussen, V., (2012). Selection and Budding Propagation of Native Bigtooth Maple for Water-conserving Landscapes. HortTechnology, 22, 669-676.
- Richards, M., Rupp, L.A, (2012). Etiolation Improves Rooting of Bigtooth Maple (Acer grandidentatum) Cuttings. HortTechnology22, 305-310.
- Anderson, D.T, Rupp, L.A, Varga, W.A, (2011). Selection of Native Woody Plant for Water-Wise Landscaping. Natural Resource and Environmental Issues, 17
- Rosenberg, D.E, Kopp, K., Kratsch, H., Rupp, L.A, Johnson, P.G, Kjelgren, R.K, (2011). Value Landscape Engineering: Identifying Costs, Water Use, Labor, and Impacts to Support Landscape Choice. Journal of the American Water Resources Association, 47:3, 635–649. doi: 10.1111/j.1752-1688.2011.00530.x
- Rupp, L.A, (2001). The Merged Department Experience at Utah State University: Is Diversity a Blessing or a Curse?. HortTechnology, 11, 9-11.
- Montague, D.T, Kjelgren, R.K, Rupp, L.A, (2000). Surface energy balance affects gas exchange and growth of two transplanted landscape trees. J. Am. Soc. Hort. Sci., 125, 299-309.
- Kjelgren, R.K, Chapman, N., Rupp, L.A, (2000). Tree seedling establishment with protective shelters and irrigation scheduling in three naturalized landscapes in Utah. J. Environmental Horticulture, 18, 238-246.
- Kjelgren, R., Rupp, L.A, Kilgren, D., (2000). Water conservation in urban landscapes. HortScience, 35, 1037-1043.
- Montague, D.T, Kjelgren, R.K, Rupp, L.A, (1998). Surface energy balance affects gas exchange and growth of two transplanted landscape trees. J. Arboricult., 24, 254-262.
- Kjelgren, R.K, Rupp, L.A, (1997). Establishment of Norway maple and green ash in treeshelters. I: Shelters reduce growth, water use, and hardiness, but not drought avoidance. HortScience, 32, 1281-1283.
- Kjelgren, R.K, Rupp, L.A, (1997). Establishment of Norway maple and green ash in treeshelters. II: Effect of shelter color on gas exchange and hardiness. HortScience, 32, 1284-1287.
- Rupp, L.A, Kjelgren, R.K, Ernstsen, J.A, Varga, W.A, (1997). Shearing and growth of five intermountain native shrub species. J. Environmental Horticulture, 15, 123-125.
- Kjelgren, R.K, Rupp, L.A, (1997). Treeshelters improve seedling establishment under herbaceous competition. Int. Soc. Arbor. J., 23:4, 131-135.
- Ibrahim, M.A, Campbell, W.F, Rupp, L.A, Allen, E.B, (1990). Effects of mycorrhiza on sorghum growth, photosynthesis, and stomatal conductance under drought conditions. Arid Soil Research and Rehabilitation, 4, 99-107.
- Rupp, L.A, Mudge, K.W, (1989). Effect of aminocyclo-propane carboxylic acid and aminoethoxyvinylglycine on ethylene production by Laccaria laccata. Canadian Journal of Botany, 67, 483-485.
- Rupp, L.A, Mudge, K.W, Negm, F.B, (1989). Involvement of ethylene on ectomycorrhiza formation and dichotomous branching of roots of Mugo pine seedlings. Canadian Journal of Botany, 67, 477-482.
- Rupp, L.A, Dudley, L.M, (1989). Iron availability in rockwool may affect rose nutrition. HortScience, 24, 258-260.
- Rupp, L.A, Mudge, K.W, (1985). Ethephon and auxin induce mycorrhiza-like changes in the morphology of root organ cultures of mugo pine. Physiologia Plantarum, 64, 316-322.
- Rupp, L.A, Anderson, J.L, (1985). Growth and fruiting responses of young apple and tart cherry trees to weed control. HortScience, 20, 727-729.
- Rupp, L.A, Mudge, K.W, (1985). Mycorrhizal status of pines in nurseries.. J. Environmental Hort., 3, 118-123.
Professional Journal
- Kratsch, H., Ward, R.A, Shao, M., Rupp, L.A, (2010). Educational Needs and Perspectives on the Future of the Green Industry in Utah. HortTechnology20, 740-750.
Public or Trade Journal
- Kratsch, H.A, Rupp, L.A, (2008). Pest Problems in North American Native Plants. American Nurseryman, 208:5, 12-13. *
An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.
Publications | MultiMedia
Video
An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.
Publications | Technical Reports
AES Reports
Research Reports
- Rupp, L.A, Kopp, K., Endter-Wada, J.L, Sun, Y., Johnson, P.G, Schaible, C., (2019). Annual Report of the Center for Water Efficient Landscaping (2019). *
- Rupp, L.A, Endter-Wada, J.L, Johnson, P.G, Kopp, K., Sun, Y., Wheaton, A., (2018). Annual Report of the Center for Water Efficient Landscaping (2018). *
- Buhler, M.R, Rupp, L.A, (2015). Propagation of native woody plants in Utah using Nearing frames.. Report of the Intermountain Native Plants Cooperative *
- Rupp, L.A, Whitesides, R.E, Kettenring, K., Larese-Casanova, M., Goodspeed, J., (2013). Phragmites australis Control at the Rural-Urban Interface Final Report. *
- Rupp, L.A, (2011). RESEARCH REPORTS NPC REPORT 3, 2011 24 Selection and vegetative propagation of native Plants for landscape use. Reprot of the Intermountain Native Plants Cooperative *
- Rupp, L.A, (2007). Selection and Establishment of Exceptional Bigtooth Maple (Acer grandidentatum) Clones. Annual Report *
- Snowden, C., Rupp, L.A, Plant Propagation with Leaf Wetness Sensors.. o Report of the Intermountain Native Plants Cooperative (in press). *
- Rupp, L.A, Propagating Singleleaf Ash (Fraxinus anomala): A Proof of Concept. . o Report of the Intermountain Native Plants Cooperative (in press). *
- Rupp, L.A, Kopp, K., Kjelgren, R.K, Johnson, P.G, Extension Water Initiative Interim Report - Center for Water Efficient Landscaping. *
- Rupp, L.A, Anderson, R., Cope, K., Richards, M., Selection and Vegetative Propagation of Native Plants for Landscape Use. Report of the Intermountain Native Plants Cooperative *
An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.
Publications | Other
Bulletins
- Rupp, L.A, (2011). Acer grandidentatum in the landscape. *
- Rupp, L.A, Varga, W.A, Cerny, T., Reid, C.R, Kuhns, M.R, (2002). Selection and culture of landscape plants in Utah: A guide for southwestern and central Utah. USU Extension Bulletin *
- Rupp, L.A, Varga, W.A, Cerny, T., Reid, C.R, Kuhns, M.R, (2002). Selection and culture of landscape plants in Utah: A guide for high mountain valleys. USU Extension Fact Sheet
- Kuhns, M.R, Rupp, L.A, (2000). Selecting and planting landscape trees. Utah State University Extension
Newsletter
- Rupp, L.A, (2012). Why Native Plants?. O'Pinyon Quarterly Online Publication *
Other
- Rupp, L.A, (2016). From the Editor. Native Plants Journal *
- Kratsch, H.A, Olsen, S., Cardon, G., Heflebower, R., Rupp, L.A, (2008). Soil Salinity and Ornamental Plant Selection. USU Extension Publication HG/Landscaping/2008-02pr *
An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.
Teaching
Extension
Creative Works | Exhibitions
Creative Works | Other
- DoubleDown Mahogany in an Original Stoneware Pot, Other, A bonsai-style potted plant.
- DoubleDown Mahogany in an Original Stoneware Pot, Other, A bonsai-style potted plant.
- ASHS Photography Contest, Art - Creative Work, - 2018
- Native Plants Journal Cover Photograph - Indian Paintbrush, Other, Cover photograph for Native Plants Journal - 2017
- Native Plants Journal Cover Photograph - Skunk Cabbage, Other, Cover photograph for Native Plants Journal - 2017
- Native Plants Journal Cover Photograph - Oregon Grape, Other, Cover photograph for Native Plants Journal - 2017
- Native Plants Journal Cover Photograph - Bigtooth Maple , Other, Cover photograph for Native Plants Journal - 2016
Utah 4-H & Youth