Petrus Langenhoven

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

189 articles by this author

Article List

Welcome to the Vegetable Crops Hotline (VCH), Purdue Extension’s exclusive newsletter for people in the business of growing vegetables. In this last issue of 2023, we highlight an overview of the Mechanical Weed Control field day, food safety and SARE news, and we look at winter educational events. Very Important: Vegetable Crop Hotline Survey We…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. In this issue, we highlight the occurrence of pumpkin viruses in Indiana, reflect on the 2023 dry bean season, provide an update on vegetable pricing at the Clearspring Produce Auction, cover weather trends, and look at…Read more about From the Editor’s Desk[Read More]


The Clearspring Produce Auction is located just 2 miles south of US 20 in Clearspring Township in the Heart of the LaGrange-Elkhart Amish Settlement. It is within easy driving distance of the towns of Shipshewana, Topeka, Emma, and LaGrange. Produce is sold 3 days a week throughout most of the growing season (Tuesday, Thursday, Friday),…Read more about Clearspring Produce Auction Price Update[Read More]


Welcome to the Vegetable Crops Hotline (VCH), Purdue Extension’s exclusive newsletter for people in the business of growing vegetables. In this issue, we highlight the National Cover Crop Survey Report, the incidence of tomato pinworm in high tunnels, registration of Command® 3ME on banana peppers in Indiana, provide an update on vegetable pricing at the…Read more about From the Editor’s Desk[Read More]


A news release from SARE dated September 5, 2023. Adapted from the Conservation Technology Information Center A new national survey report has found that the vast majority of farmers who use cover crops don’t need incentive payments to continue with the practice because of how much they appreciate its value to their land and business.   According…Read more about Sustainable Agriculture Research and Education (SARE) News – National Cover Crop Survey Report[Read More]


The Clearspring Produce Auction is located just 2 miles south of US 20 in Clearspring Township in the Heart of the LaGrange-Elkhart Amish Settlement. It is within easy driving distance of the towns of Shipshewana, Topeka, Emma, and LaGrange. Produce is sold 3 days a week throughout most of the growing season (Tuesday, Thursday, Friday),…Read more about Clearspring Produce Auction Price Update[Read More]


The Clearspring Produce Auction is located just 2 miles south of US 20 in Clearspring Township in the Heart of the LaGrange-Elkhart Amish Settlement. It is within easy driving distance of the towns of Shipshewana, Topeka, Emma, and LaGrange.   Produce is sold 3 days a week throughout most of the growing season (Tuesday, Thursday,…Read more about Clearspring Produce Auction Price Update[Read More]


Welcome to the Vegetable Crops Hotline (VCH), Purdue Extension’s exclusive newsletter for people in the business of growing vegetables. In this issue, we highlight the first sighting of downy mildew on cucumber in Northern Indiana, strawberry plug production, interviews with strawberry growers, provide an update on vegetable pricing at the Clearspring Produce Auction, and cover…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. In this issue, we highlight tar spot of sweet corn, draft animal power for small farms, and provide an update on vegetable pricing at the Clearspring Auction. Included are lots of information about educational opportunities presented…Read more about From the Editor’s Desk[Read More]


The Clearspring Produce Auction is located just 2 miles south of US 20 in Clearspring Township in the Heart of the LaGrange-Elkhart Amish Settlement. It is within easy driving distance of the towns of Shipshewana, Topeka, Emma, and LaGrange. Produce is sold 3 days a week throughout most of the growing season (Tuesday, Thursday, Friday),…Read more about Clearsprings Produce Auction Price Update[Read More]