Hero Image

Steven Swain

Environmental Horticulture Advisor
Cooperative Extension Marin County
1682 Novato Boulevard
Suite 150-B
Novato, CA 94947
(415) 473-4204
svswain@ucanr.edu Create VCard

Also in:
Sonoma County



M.S. Environmental Horticulture, UC Davis. 2001

Areas of Expertise (click to see all ANR academics with this expertise)


Peer Reviewed

  • Garbelotto, M; Schmidt, D, et al. (2017). The ecology of infection between a transmissive dead-end host provides clues for the treatment of a plant disease. Ecosphere. 8:5, 1-20.
  • Swain, SV; Garbelotto, M (2015). "Phytophthora ramorum can survive introduction into finished compost." California Agriculture 69(4): 237-241.
  • Bauermeister, M.; Savio, Y., et al. (2013). Community Gardens. ANR Publication 8499. 1-16.
  • DiTomaso, J.M..; Roncoroni, J., et al. (2013). Poison Hemlock. Pest Note 74162. UC IPM. 1-4.
  • Swain, S.V.; Koike, S.T. (2012). "First report of twig canker on willow caused by Colletotrichum acutatum in California." Plant Disease 96(12): 1822.
  • Euphrat, F.D.; Swain, S.V., et al. (2012). Protecting forests across landscapes and through generations: the Sonoma County Forest Conservation Working Group. Proceedings of the Cost Redwood Forests in a Changing California: A Sympoium for Scientists and Managers. USDA FS. PSW-GTR 238:2, 603-609.
  • Alexander, J.; Swain, S.V. (2010). Sudden Oak Death. Pest Note 74151. UC IPM. 1-8.
  • Swain, S.V.; Schmidt, D., et al. (2008). Preservation of Lithocarpus densiflorus diversity on California's Central Coast, a cooperative project with area residents. Proceedings of the Sudden Oak Death Third Science Symposium. USDA FS. PSW-GTR 214, 471-474.
  • Vettraino, A.M.; Huberli, D., et al. (2006). "A new report of Phytophthora ramorum on Rhamnus purshiana in Northern California." Plant Disease 90: 246.
  • Swain, S.V.; Harnik, T, et al. (2006). "Composting is an effective treatment option for sanitization of Phytophthora ramorum infected plant material." Journal of Applied Microbiology 101: 815-827.
  • Swain, S.V.; Garbelotto, M. (2006). Extended abstract on the potential of Phytophthora ramorum to infect finished compost. Proceedings of the Sudden Oak Death Second Science Symposium. USDA FS. PSW-GTR 196, 483-486.
  • Vettraino, A.M.; Huberli, D., et al. (2006). "First report of infection of maidenhair fern (Adiantum jordanii and A. aleuticum) by Phytophthora ramorum in California." Plant Disease 90: 379.
  • Huberli, D.; Reuther, K.D., et al. (2004). "First report of foliar infection of Rosa gymnocarpa by Phytophthora ramorum." Plant Disease 88: 430.

Non-Peer Reviewed

  • Swain, S; Schmidt, D, et al. (2019). Managing sudden oak death: What works, and what doesn't. 30, 378-379. Jan.
  • Sims, L; Lacan, I, et al. (2017). Phytophthora tentaculata: A new exotic and invasive disease. Western Arborist. 43, 48-50.
  • Swain, S.V; Eskalen, A, et al. (2017). Scolytid beetles and associated fungal symbionts threaten California hardwoods. Western Arborist. 43:1, 54-60.
  • Sims, L; Lacan, I, et al. (2016) Phytophthora tentaculata, a new exotic and invasive disease. Retail Garden Center and Nursery IPM News 6, 3-4
  • Sims, L; Lacan, I, et al. (2016) Phytophthora tentaculata, a new exotic and invasive disease. Green Bulletin 6, 3-5
  • Swain, SV (2016). Sonoma-Marin Farm News. Oaks as a component of rangeland management. 17. July.
  • Swain, SV (2015). Compost Tea. Western Arborist. 41:2, 22-23.
  • Swain, SV; Windbiel-Rojas, K (2015) Dealing with pantry pests. Retail Nursery and Garden Center IPM 5, 3
  • WD, Tietje; SV, Swain (2015). Help your oak tree tolerate severe drought. UCCE San Luis Obispo. 2.
  • Swain, SV (2015) Pines, Drought, & Beetles. Green Bulletin 5, 1,3
  • Swain, S.V. (2014) Biological fungicides: Do they work, and are they safe? Green Bulletin 4, 1-2
  • Swain, S.V. (2014). "Forest Stewardship." from http://cemarin.ucanr.edu/Programs/Custom_Program97/Forest_Stewardship/.
  • Swain, S.V. (2014). "Irrigation and Watering Guidelines." from http://cemarin.ucanr.edu/Programs/Custom_Program97/Watering_Guidelines/.
  • Swain, S.V. (2014). "Managing your curb appeal with less water." Retrieved 18 Dec 2014, from http://archive.constantcontact.com/fs127/1100394066477/archive/1117389436671.html.
  • Swain, S.V. (2014). "Oak Identification." from http://cemarin.ucanr.edu/Programs/Custom_Program97/Types_of_oaks/.
  • Swain, S.V. (2013) Compost Tea. Green Bulletin 3, 4
  • Swain, S.V.; Koike, S.T. (2013). Distribution and host range of Colletotrichum acutatum on Salicaceae in San Francisco's North Bay area. APS meeting poster.
  • Swain, S.V. (2012) A new seed bug (Metapoplax ditomoides). Green Bulletin 2, 6
  • Swain, S.V. (2012) How irrigation practices can affect pest problems. Green Bulletin 2, 1,5
  • Parnay, S.; Swain, S.V. (2012). "PSA: A healthy soil is worth its weight in gold." Retrieved 18 Dec 2014, from https://www.youtube.com/watch?v=XG9tn7NsVGs.
  • Bauermeister, M.; Swain, S.V., et al. (2010). Marin County Community Garden Needs Assessment. UCCE Marin. 1-65. http://ucanr.org/sites/Community_Gardens/files/75850.pdf
  • Swain, S.V. (2007). Mortality projections and treatment recommendations for sudden oak death. Western Arborist. 33:2, 48-50.
  • Swain, S.V. (2002). "An Update on Phytophthora ramorum, causal agent of Sudden Oak Death." International Oaks 13: 38-45.

California Agriculture Article Contributions

ANR Workgroup Associations

Return to Staff