Petrus Langenhoven

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

194 articles by this author

Article List

Planning your vegetable varieties for the upcoming season? Purdue University has maintained comprehensive records of vegetable variety trials throughout the Midwest since 1999. The Midwest Vegetable Trial Report series offers valuable applied research findings specifically relevant to vegetable and melon production in the Midwest region. Below, you’ll find abstracts from the most recent reports. For…Read more about Data-Driven Decisions: Choosing Vegetable Varieties with Midwest Trial Results[Read More]


Dear Valued VCH Readers, Welcome to issue 749, the second edition of the 2025 Vegetable Crops Hotline newsletter! Spring is certainly making its presence felt! The weather has been very mild to hot this past week. It’s a great time to start working ground that has thawed and drained. Don’t get too eager to start…Read more about From The Editor’s Desk[Read More]


Dear Valued VCH Readers, Welcome to the first edition of the 2025 Vegetable Crops Hotline newsletter! As we begin this new growing season, I’m excited to continue our tradition of providing timely, research-based information to support Indiana’s vegetable-growing community. Our mission remains steadfast: to deliver crucial updates on pest management, production practices, food safety, and…Read more about From The Editor’s Desk[Read More]



Internships are a key part of training our students to be successful. With that in mind, Seed Your Future and NC State University have teamed up to help more students complete internships and help employers offer internships.  The information will be used to create the following resources: Best Practices Guide for Creating and Managing Horticultural…Read more about Seed Your Future Horticulture Internship Study[Read More]


Welcome to the Vegetable Crops Hotline (VCH), Purdue Extension’s exclusive newsletter for people in the business of growing vegetables. This is our last issue for 2024. I cannot believe that the growing season has gone by that fast. So far this year, the Vegetable Crops Hotline web page has had 174,162 views and 124,515 active…Read more about From The Editor’s Desk[Read More]


OFRF believes in supporting organic farmers and ranchers in their constant search for innovation and farm profitability. The FLT program puts farmers in the driver’s seat, and recognizes their wisdom, experimentation and problem solving skills. Built in the spirit of curiosity and collaboration, this program will support farmers and ranchers in conducting impactful research that…Read more about OFRI Farmer-Led Trials Program – Applications Open October 2024[Read More]


NIFA is recruiting industry representatives (growers, packers, shippers, staff from organizations that represent specialty crops, etc.) to review pre-applications for the Specialty Crop Research Initiative (SCRI) for 2025. This is an opportunity for commodity sectors to make sure that SCRI projects are tackling a critical need for the sector.  The time commitment for a relevancy reviewer is…Read more about Recruiting SCRI Industry Reviewers (Paid Opportunity)[Read More]


Welcome to the Vegetable Crops Hotline (VCH), Purdue Extension’s exclusive newsletter for people in the business of growing vegetables. This is our second-last issue for 2024 and includes a price update from the Clearspring Produce Auction, a look at the weather for the next 14 days, information about educational opportunities, and an opportunity to serve…Read more about From the Editor’s Desk[Read More]


Welcome to the Vegetable Crops Hotline (VCH), Purdue Extension’s exclusive newsletter for people in the business of growing vegetables. The harvesting season is progressing well. As part of our evidence-based Extension programs, we have harvested many peppers and watermelons, among other crops, at the TPAC/Meigs Horticulture Facility. We also only have two VCH issues left…Read more about From the Editor’s Desk[Read More]