All of the people listed on this page have volunteered to answer your questions regarding nuts, persimmons, and paw paws. Experts are listed by category, with either an e-mail address or street address with telephone number. Click on a category to see its list of experts.

Almonds
  • Clayton Weeks

    Clayton Weeks is a researcher with the USDA Clonal Germplasm Repository at Davis, CA. Email: e-mail: cfweeks@ucdavis.edu

  • Clive Simms

    Clive Simms is a nurseryman and breeder. Address: Woodhurst, 6 Main Road; Essendine; Stamford, Lincolnshire; PP9 4QL; England Telephone: (from US) 011 44 1780 – 55615 Email: clive_simms@lineone.net

  • Douglas R. Campbell

    Douglas Campbell is a nurseryman and breeder. Address: RR1; Niagra-on-the-Lake; Ontario, Canada; LOS – 1JO Telephone: (905) 262 – 4927 (Evening 8 – 10 PM, Eastern Time)

Baurtnuts
  • Charles Rhora

    Charles Rhora has been propagating and plant breeding nut and fruit trees for over 35 years. He is the owner of Rhora’s Nut Farm & Nursery. Address: RR #1, Wainfleet, Ontario, Canada; LOS 1VO Tel: 905-899-3508 Email: rhoras@nuttrees.com

  • Ernest Grimo

    Ernest Grimo is a nurseryman and breeder. Address: RR 3; Niagra-on-the-Lake; Ontario, Canada; LOS -1JO Telephone: (905) 934 – 6887 Email: nut.trees@grimonut.com

Butternuts

EXPERTS ON BUTTERNUTS

  • Charles Rhora

    Charles Rhora has been propagating and plant breeding nut and fruit trees for over 35 years. He is the owner of Rhora’s Nut Farm & Nursery. Address: RR #1, Wainfleet, Ontario, Canada; LOS 1VO Tel: 905-899-3508 Email: rhoras@nuttrees.com

  • Ernest Grimo

    Ernest Grimo is a nurseryman and breeder. Address: RR 3; Niagra-on-the-Lake; Ontario, Canada; LOS -1JO Telephone: (905) 934 – 6887 Email: nut.trees@grimonut.com

  • Clive Simms

    Clive Simms is a nurseryman and breeder. Address: Woodhurst, 6 Main Road; Essendine; Stamford, Lincolnshire; PP9 4QL; England Telephone: (from US) 011 44 1780 – 55615 Email: clive_simms@lineone.net

Chestnuts
  • Sandra L. Anagnostakis

    Sandra Anagnostakis is a researcher at Connecticut Agricultural Experiment Station. Email: Sandra.Anagnostakis@ct.gov

  • Dennis Fulbright

    Dennis Fulbright is a researcher and professor at Michigan State University. Email: fulbrig1@msu.edu

  • Charles Rhora

    Charles Rhora has been propagating and plant breeding nut and fruit trees for over 35 years. He is the owner of Rhora’s Nut Farm & Nursery. Address: RR #1, Wainfleet, Ontario, Canada; LOS 1VO Tel: 905-899-3508 Email: rhoras@nuttrees.com

  • Hongwen Huang

    Hongwen Huang is a professor at the Wuhan Institute of Botany in P.R. China e-mail: hongwen@public.wh.hb.cn Address: Dr. Hongwen Huang; Wuhan Institute of Botany; The Chinese Academy of Sciences; Moshan, Wuchang, Wuhan city; Hubei 430074; The People’s Republic of China Telephone: 86-27-87510232 (office)

  • Douglas R. Campbell

    Douglas Campbell is a nurseryman and breeder. Address: RR1; Niagra-on-the-Lake; Ontario, Canada; LOS – 1JO Telephone: (905) 262 – 4927 (Evening 8 – 10 PM, Eastern Time)

  • Clive Simms

    Clive Simms is a nurseryman and breeder. Address: Woodhurst, 6 Main Road; Essendine; Stamford, Lincolnshire; PP9 4QL; England Telephone: (from US) 011 44 1780 – 55615 Email: clive_simms@lineone.net

Hazelnuts
  • Charles Rhora

    Charles Rhora has been propagating and plant breeding nut and fruit trees for over 35 years. He is the owner of Rhora’s Nut Farm & Nursery. Address: RR #1, Wainfleet, Ontario, Canada; LOS 1VO Tel: 905-899-3508 Email: rhoras@nuttrees.com

  • Shawn A. Mehlenbacher

    Shawn Mehlenbacher is a researcher and breeder at Oregon State University.

    Many visitors have found answers to their questions athttp://www.orst.edu/dept/hort/orchardnet/haindex.htm. Contact Mr. Mehlenbacher if you still have a question after you have visited the above Web site.

    E-mail: mehlenbs@hort.oregonstate.edu

  • Clive Simms

    Clive Simms is a nurseryman and breeder. Address: Woodhurst, 6 Main Road; Essendine; Stamford, Lincolnshire; PP9 4QL; England Telephone: (from US) 011 44 1780 – 55615 Email: clive_simms@lineone.net

  • Douglas R. Campbell

    Douglas Campbell is a nurseryman and breeder. Address: RR1; Niagra-on-the-Lake; Ontario, Canada; LOS – 1JO Telephone: (905) 262 – 4927 (Evening 8 – 10 PM, Eastern Time)

Heartnuts
  • Ernest Grimo

    Ernest Grimo is a nurseryman and breeder. Address: RR 3; Niagra-on-the-Lake; Ontario, Canada; LOS -1JO Telephone: (905) 934 – 6887 Email: nut.trees@grimonut.com

  • Charles Rhora

    Charles Rhora has been propagating and plant breeding nut and fruit trees for over 35 years. He is the owner of Rhora’s Nut Farm & Nursery. Address: RR #1, Wainfleet, Ontario, Canada; LOS 1VO Tel: 905-899-3508 Email: rhoras@nuttrees.com

  • Clive Simms

    Clive Simms is a nurseryman and breeder. Address: Woodhurst, 6 Main Road; Essendine; Stamford, Lincolnshire; PP9 4QL; England Telephone: (from US) 011 44 1780 – 55615 Email: clive_simms@lineone.net

Hickory
  • Charles Rhora

    Charles Rhora has been propagating and plant breeding nut and fruit trees for over 35 years. He is the owner of Rhora’s Nut Farm & Nursery. Address: RR #1, Wainfleet, Ontario, Canada; LOS 1VO Tel: 905-899-3508 Email: rhoras@nuttrees.com

  • Ronald Curtis

    Ronald Curtis is chairman of NNGA’s hickory registry committee. Address: 21105 20th Road; Parsons, Kansas 67357-7805 Telephone: (316) 421 – 2834 E-mail: rcurtis@wildblue.net

  • Ernest Grimo

    Ernest Grimo is a nurseryman and breeder. Address: RR 3; Niagra-on-the-Lake; Ontario, Canada; LOS -1JO Telephone: (905) 934 – 6887 Fax: (905) 934 – 9463 Email: nut.trees@grimonut.com

  • David Johnson

    David Johnson is a hobbyist and President of NNGA. Address: 3500 Coolville Station Road; Coolville, OH 45723 Telephone: (614) 667-6431 Email: dgjohns@frognet.net

  • Fred Blankenship

    Fred Blankenship is an avid enthusiast and manufacturer of Mr. Hickry Nut Cracker. Address: 161 Highway 376; Rhodelia KY 40161 Telephone: (270) 272-7670

  • Lois Davie

    Lois Davie is an orchardist and grafter. Address: 3100 Kane Road; Aliquippa, PA 15001 Telephone: (724) 375-4767

  • Douglas R. Campbell

    DouglasCampbell is a nurseryman and breeder. Address: RR1; Niagra-on-the-Lake; Ontario, Canada; LOS – 1JO Telephone: (905) 262 – 4927 (Evening 8 – 10 PM, Eastern Time)

Hicans

Charles Rhora

Charles Rhora has been propagating and plant breeding nut and fruit trees for over 35 years. He is the owner of Rhora’s Nut Farm & Nursery. Address: RR #1, Wainfleet, Ontario, Canada; LOS 1VO Tel: 905-899-3508 Email: rhoras@nuttrees.com

Macadamia

Dr. Mike Nagao

Dr. Nagao is a professor and horticulturist at Hawaii University and a macadamia researcher for the USDA ARS Extension Office in Hilo Hawaii. He has written articles about macadamia for the past twenty years Mailing Address: 875 Komohana Street, Hilo, HI 96720-2757 Tel: 808-981-8261 Email: mnagao@hawaii.edu

Tree Crops & Forestry

Gene Garrett

Gene Garrett is an expert on forestry and is the President of the Association for Temperate Agroforestry (AFTA). Email: Gene_Garrett@muccmail.missouri.edu NOTE: There is an underscore in this e-mail address: Gene_Garrett

Oaks
  • Charles Rhora

    Charles Rhora has been propagating and plant breeding nut and fruit trees for over 35 years. He is the owner of Rhora’s Nut Farm & Nursery. Address: RR #1, Wainfleet, Ontario, Canada; LOS 1VO Tel: 905-899-3508 Email: rhoras@nuttrees.com

  • Don Cobb

    Don Cobb grows and studies oaks. He also selects and prepares acorns for eating. Address: 625 W. River Rd., Waterloo, NY 13165-9763 Telephone: (315) 789-3701 Email: acc3@cornell.edu

  • Douglas R. Campbell

    Douglas Campbell is a nurseryman and breeder of rare and ornamental oaks. Address: RR1; Niagra-on-the-Lake; Ontario, Canada; LOS – 1JO Telephone: (905) 262 – 4927 (Evening 8 – 10 PM, Eastern Time)

Pine Nuts
  • Charles Rhora

    Charles Rhora has been propagating and plant breeding nut and fruit trees for over 35 years. He is the owner of Rhora’s Nut Farm & Nursery. Address: RR #1, Wainfleet, Ontario, Canada; LOS 1VO Tel: 905-899-3508 Email: rhoras@nuttrees.com

  • Ernest Grimo

    Ernest Grimo is a nurseryman and breeder. Address: RR 3; Niagra-on-the-Lake; Ontario, Canada; LOS -1JO Telephone: (905) 934 – 6887 Fax: (905) 934 – 9463 E-mail: nut.trees@grimonut.com

Paw Paw
  • Desmond Layne

    Desmond Layne is an Assistant Professor of Horticulture at Clemson University, and is a former President of the PawPaw Foundation. His home pagecontains additional information about him and links to pawpaw resources. E-mail: dlayne@clemson.edu Address: Clemson University; F152 Poole Agricultural Center; Box 340375; Clemson, SC 29634-0375

  • Charles Rhora

    Charles Rhora has been propagating and plant breeding nut and fruit trees for over 35 years. He is the owner of Rhora’s Nut Farm & Nursery. Address: RR #1, Wainfleet, Ontario, Canada; LOS 1VO Tel: 905-899-3508 Email: rhoras@nuttrees.com

  • William A. Heiman, Jr.

    William Heiman is a hobbyist, grafter, and editor of the Indiana Hoosier. Address: 717 Ernie-Lu Avenue; Anderson, IN 46013 Telephone: (765) 643-4582 E-mail: billheiman5@gmail.com

  • Snake Jones

    Snake Jones is a researcher at Kentucky State University. Address: Pawpaw Research Program; Kentucky State University; 147 Atwood; Frankfort, KY 40601-2355

Pecan
  • Charles Rhora

    Charles Rhora has been propagating and plant breeding nut and fruit trees for over 35 years. He is the owner of Rhora’s Nut Farm & Nursery. Address: RR #1, Wainfleet, Ontario, Canada; LOS 1VO Tel: 905-899-3508 Email: rhoras@nuttrees.com

  • Ronald Curtis

    Ronald Curtis is chairman of NNGA’s pecan registry committee. Address: 21105 20th Road; Parsons, Kansas 67357-7805 Telephone: (316) 421 – 2834 E-mail: rcurtis@wildblue.net

  • Wesley G. Rice

    Wesley Rice is an author and pecan consultant. Address: 333 Braden School Road; Ponca City, OK 74604 Telephone: (580) 765 – 7049 E-mail: wrice@poncacity.net

  • Douglas R. Campbell

    Douglas Campbell is a nurseryman and breeder of northern pecan. Address: RR1; Niagra-on-the-Lake; Ontario, Canada; LOS – 1JO Telephone: (905) 262 – 4927 (Evening 8 – 10 PM, Eastern Time)

Persimmon
  • Charles Rhora

    Charles Rhora has been propagating and plant breeding nut and fruit trees for over 35 years. He is the owner of Rhora’s Nut Farm & Nursery. Address: RR #1, Wainfleet, Ontario, Canada; LOS 1VO Tel: 905-899-3508 Email: rhoras@nuttrees.com

  • Louise Ferguson

    Louise Ferguson is a pomology extension specialist. E-mail: louise@uckac.edu

  • Jerry W. Lehman

    Jerry Lehman is a hobbyist and Secretary of NAFEX (National Fruit Explorers). E-mail: jwlehman@aol.com

  • William A. Heiman, Jr.

    William Heiman is a hobbyist, grafter, and editor of the Indiana Hoosier. Address: 717 Ernie-Lu Avenue; Anderson, IN 46013 Telephone: (765) 643-4582 E-mail: billheiman5@gmail.com

Pistachios

Louise Ferguson

Louise Ferguson is a pomology extension specialist. E-mail: louise@uckac.edu

Walnuts (Black)
  • Jerry VanSambeek

    Jerry VanSambeek is a research plant physiologist at the USDA Forest Service. Address: North Central Research Station; USDA Forest Service; 202 Natural Resources Bldg., UMC, Columbia, MO 65211-7260 Telephone: (573) 875 – 5341 Ext. 233 Fax: (573) 882-1977 E-mail: jvansambeek@fs.fed.us

  • Charles Rhora

    Charles Rhora has been propagating and plant breeding nut and fruit trees for over 35 years. He is the owner of Rhora’s Nut Farm & Nursery. Address: RR #1, Wainfleet, Ontario, Canada; LOS 1VO Tel: 905-899-3508 Email: rhoras@nuttrees.com

  • Wesley G. Rice

    Wesley Rice is an author and pecan consultant. Address: 333 Braden School Road; Ponca City, OK 74604 Telephone: (580) 765 – 7049 E-mail: wrice@poncacity.net

  • William A. Heiman, Jr.

    William Heiman is a hobbyist, grafter, and editor of the Indiana Hoosier. Address: 717 Ernie-Lu Avenue; Anderson, IN 46013 Telephone: (765) 643-4582 E-mail: billheiman5@gmail.com

  • Mr. Billie Hanson

    Billie Hanson is a commercial Black Walnut grower and a supplier of nut meats, scion wood, seed nuts and information. Address: 19304 238 Avenue; Centerville, IA 52544-9804 Telephone: (641) 856 – 8375 E-mail: benswalnuts@yahoo.com

  • Douglas R. Campbell

    Douglas Campbell is a nurseryman and breeder of northern pecan. Address: RR1; Niagra-on-the-Lake; Ontario, Canada; LOS – 1JO Telephone: (905) 262 – 4927 (Evening 8 – 10 PM, Eastern Time)

  • John R. Harrell

    John Harrell is a nurseryman, custom grafter, and a member of The Walnut Council. Address: 7668 West 600 South; Morgantown, IN 46160 Telephone: (812) 597 – 2043

  • Clive Simms

    Clive Simms is a nurseryman and breeder. Address: Woodhurst, 6 Main Road; Essendine; Stamford, Lincolnshire; PP9 4QL; England Telephone: (from US) 011 44 1780 – 55615 Email: clive_simms@lineone.net

Walnuts (Manchurian)
  • Charles Rhora

    Charles Rhora has been propagating and plant breeding nut and fruit trees for over 35 years. He is the owner of Rhora’s Nut Farm & Nursery. Address: RR #1, Wainfleet, Ontario, Canada; LOS 1VO Tel: 905-899-3508 Email: rhoras@nuttrees.com

  • Douglas R. Campbell

    Douglas Campbell is a nurseryman and breeder of northern pecan. Address: RR1; Niagra-on-the-Lake; Ontario, Canada; LOS – 1JO Telephone: (905) 262 – 4927 (Evening 8 – 10 PM, Eastern Time)

Walnuts (Persian)
  • Charles Rhora

    Charles Rhora has been propagating and plant breeding nut and fruit trees for over 35 years. He is the owner of Rhora’s Nut Farm & Nursery. Address: RR #1, Wainfleet, Ontario, Canada; LOS 1VO Tel: 905-899-3508 Email: rhoras@nuttrees.com

  • Douglas R. Campbell

    Douglas Campbell is a nurseryman and breeder of northern pecan. Address: RR1; Niagra-on-the-Lake; Ontario, Canada; LOS – 1JO Telephone: (905) 262 – 4927 (Evening 8 – 10 PM, Eastern Time)

  • Lois Davie

    Lois Davie is an orchardist and grafter. Address: 3100 Kane Road; Aliquippa, PA 15001 Telephone: (724) 375-4767

  • John R. Harrell

    John Harrell is a nurseryman, custom grafter, and a member of The Walnut Council. Address: 7668 West 600 South; Morgantown, IN 46160 Telephone: (812) 597 -2043

  • Clive Simms

    Clive Simms is a nurseryman and breeder. Address: Woodhurst, 6 Main Road; Essendine; Stamford, Lincolnshire; PP9 4QL; England Telephone: (from US) 011 44 1780 – 55615 Email: clive_simms@lineone.net