Petrus Langenhoven

Horticulture and Hydroponic Crop Specialist
Department of Horticulture and Landscape Architecture
Petrus Langenhoven's website

192 articles by this author

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The 2023 Purdue Small Farm Education Field Day was held at the Purdue Student Farm in West Lafayette, Indiana. With 105 participants registered, the in-person event featured an array of on-farm demonstrations and was a resounding success. Nearly 84% of attendees reported that they learned something they didn’t know before. A third (34%) indicated they…Read more about 2024 Purdue Small Farm Education Field Day – Registration Open[Read More]


Purdue Extension presented its second Fruit and Vegetable Field Day post-pandemic at the Throckmorton Purdue Agriculture Center’s Meigs Horticulture Research Farm, located in Lafayette, on July 20th, 2023. Extension Specialists and Graduate Students presented specialty crop research to 90 attendees. Attendees had only good things to say about the event. ‘It was an interesting program,…Read more about 2024 Purdue Fruit and Vegetable Field Day – Registration Open[Read More]


Welcome to the Vegetable Crops Hotline (VCH), Purdue Extension’s exclusive newsletter for people in the business of growing vegetables. What’s new in 2024? The VCH will publish seventeen newsletter issues in 2024. The publication day has been moved to Friday (it was on Thursday in the past). The decision was made to accommodate articles from…Read more about From the Editor’s Desk[Read More]


Are you still thinking about varieties for the upcoming season? Purdue has been keeping a record of vegetable variety trials in the Midwest since 1999. The Midwest Vegetable Trial Report series includes reports of applied research relevant to vegetable and melon production in the Midwest. Here are some abstracts of the most recent reports. Visit the Midwest Vegetable…Read more about Selecting Vegetable Varieties for Your Farm[Read More]


A search committee appointed by the Department of Botany and Plant Pathology has identified three candidates who will be interviewed for the Clinical Vegetable Pathologist position at SWPAC, Vincennes. Interview Schedule Jane Marian Luis, Department of Horticulture and Landscape Architecture, Purdue University Research seminar: Monday, March 11, 9:30 am – https://purdue-edu.zoom.us/j/92753733795 Extension seminar: Monday, March 11,…Read more about Vegetable Pathologist Candidate Seminars[Read More]


The Safe Produce Indiana team is partnering with Michigan State University and the North Central Region Center for FSMA Training, Extension, and Outreach to host a cleaning and sanitizing workshop at the Purdue Extension Food Safety Training Hub on February 27. This will be a full day of training.  Topics include produce food safety basics,…Read more about Cleaning and Sanitizing Workshop – February 27[Read More]


Join members of the Great Lakes Urban Agriculture IPM Working Groups to debut our first of nine virtual farm tours that were created during the 2023 growing season. We will use this innovative technology to transport you to the farm so that we can navigate around to talk about the farms’ pest challenges and what…Read more about Urban Agriculture Pest Management Special Event[Read More]


Indiana Vegetable Growers Association (IVGA) Membership Renewal /Application The IVGA was established in the early 1900’s to be the Voice for Vegetable Growers in Indiana and is dedicated to the improvement of vegetable production and marketing in Indiana. The IVGA supports education and research about vegetables and melons in Indiana, and as your advocate, the IVGA…Read more about Indiana Vegetable Growers Association Membership[Read More]


A Golden Career Dan Egel will retire from Purdue University as of February 2, 2024. Dan has been in the Botany and Plant Pathology Department since 1995, stationed at the Southwest Purdue Ag Center in Vincennes, IN. He has been the vegetable pathologist for Purdue University with statewide responsibilities in Indiana. Petrus Langenhoven, Vegetable Crops Specialist…Read more about Dan Egel Retiring Feb. 2, 2024[Read More]


Take your Next Giant Leap and Discover your next career at Purdue University. At the Meigs Horticultural Research Facility, part of the Throckmorton Ag Center at Purdue University, there is a job opening. We are hiring a Senior Horticulture Crops Research Technician. The technician will be responsible for overall field operations, pesticide applications, and crop…Read more about Senior Horticulture Crops Research Technician[Read More]