Petrus Langenhoven

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

189 articles by this author

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What began in 2010 as a modest student initiative in a field of honeysuckle has blossomed into one of the country’s most dynamic educational farms. Today, the Purdue Student Farm operates on 3.5 acres on the northern edge of campus, serving as a living example of how a land-grant institution can integrate teaching, research, and…Read more about Purdue Student Farm: Growing Leaders, Knowledge, and Community[Read More]


Dear Valued VCH Readers, Welcome to This Week’s Vegetable Crops Hotline – Our Final Issue for 2025 As we close out the 2025 growing season, this marks our final newsletter issue of the year. We’ll return with our next regular issue on February 20, 2026. Should any urgent matters arise during our winter break, we’ll…Read more about From the Editor’s Desk[Read More]


Dear Valued VCH Readers, Welcome to this week’s edition of the Vegetable Crops Hotline! As we approach the final chapter of Indiana’s vegetable growing season, this marks our penultimate newsletter issue for the year. While the calendar suggests we should be settling into typical late-season conditions, the 10-day forecast tells a different story—temperatures are trending…Read more about From The Editor’s Desk[Read More]


As pumpkin season approaches, proper harvest timing and post-harvest handling become critical for maintaining fruit quality and maximizing storage life. Whether you’re growing Halloween jack-o’-lanterns or pie pumpkins for the holiday market, following best practices through harvest and storage will help ensure your season ends on a successful note. Determining the Right Harvest Time For…Read more about Maximizing Pumpkin Quality: From Harvest to Storage[Read More]


Dear Valued VCH Readers, Welcome to this week’s edition of the Vegetable Crops Hotline! As we move deeper into September, two critical factors are shaping Indiana’s agricultural landscape: the rapid onset of drought conditions and the approaching pumpkin harvest season. The U.S. Drought Monitor reveals a dramatic shift in our state’s moisture status—from just 26%…Read more about From The Editor’s Desk[Read More]



Dear Valued VCH Readers, Welcome to this week’s edition of the Vegetable Crops Hotline! What a difference a few days can make! After weeks of hot, humid weather that kept us busy managing disease pressure, we’re looking at a dramatic atmospheric shift that will bring much cooler temperatures to close out August. The National Weather…Read more about From The Editor’s Desk[Read More]


Small and medium-sized vegetable farms face unique challenges balancing profitability with sustainable production practices and food safety requirements. To better understand how these farmers navigate complex decision-making processes, the Soil to Market Team—comprising Maria Marshall, Renee Wiatt, Petrus Langenhoven, Betty Feng, and Nathan Shoaf—conducted a comprehensive survey of 500 small and medium-sized farmers across the…Read more about Understanding Farm Decision-Making: Insights from the 2024-2025 Producer Survey[Read More]


Dear Valued VCH Readers, Welcome to this week’s edition of the Vegetable Crops Hotline! August continues to deliver on its promise as the month of plenty! Here at the Meigs Horticulture facility in Lafayette, we’re harvesting abundant crops of eggplant (Figure 1) and bok choy (Figure 2), with watermelon harvests just around the corner. Harvest…Read more about From The Editor’s Desk[Read More]


The Purdue Small Farm Education Field Day proved that dedicated growers won’t let summer temperatures dampen their enthusiasm for learning. Despite the hot weather, 63 attendees gathered at the Purdue Student Farm yesterday to participate in comprehensive demonstrations and presentations focused on small-scale farming solutions. The event, co-hosted by the Department of Horticulture and Landscape…Read more about Purdue Small Farm Education Field Day Draws 63 Attendees Despite Summer Heat[Read More]