Wenjing Guan

Wenjing
Vegetable Crops Hotline Editor & Clinical Engagement Associate Professor
Department of Horticulture and Landscape Architecture
Area(s) of Interest: Commercial Vegetable and Melon Production
Wenjing Guan's website

458 articles by this author

Article List

When growers are asked about the top challenges in plasticulture strawberry production, frost/freeze damage is almost always at the top of the list. Anyone living in Indiana understands how unpredictable spring weather can be. This year, in southern Indiana, we experienced warm periods with average daily temperatures exceeding 60°F in mid-February, followed by sharp drops…Read more about Spread out Flower Timing to Reduce Spring Frost/Freeze Risks in Plasticulture Strawberry Production[Read More]


Cut flower production continues to expand rapidly across Indiana, with many farms adding flowers as a high-value crop, an agritourism attraction, or a way to diversify their operations. To better support growers in this emerging sector, Purdue Extension launched a new project to better serve Indiana Cut Flower Farmers,  funded by Purdue’s AgSEED program. One…Read more about Free Diagnostic for Cut Flower Samples[Read More]


This Tri-state high tunnel school webinar series is organized by Extension educators and specialists from three states: Ohio, Michigan, and Indiana. Different topics are designed for Beginner, Intermediate, and advanced high-tunnel growers. All sessions will be hosted via Zoom every Wednesday, 12:30-1:30 pm Eastern Time from February 25 to April 1, 2026. The webinars are…Read more about Tri-State High Tunnel School Webinar Series[Read More]


Vegetable Chat is a webinar series focusing on vegetable crop production. The series is designed primarily for commercial vegetable growers, though producers of all scales may find the information valuable. Each session will feature an expert presentation and Q&A discussion. Session #3 will focus on POTATO. We will hear from Chris Long, potato Extension specialist…Read more about Vegetable Chat: Potato Production in the Great Lakes Region[Read More]


Vegetable Chat is a webinar series focusing on vegetable crop production. The series is designed primarily for commercial vegetable growers, though producers of all scales may find the information valuable. Each session will feature an expert presentation followed by a Q&A discussion. The second session will focus on asparagus. We will hear from Ben Werling,…Read more about Vegetable Chat: Asparagus[Read More]


The Southern Indiana Melon and Vegetable Growers Meeting is scheduled on Jan. 16, 2026, at French Lick Resort (French Lick Resort & Casino, 8670 IN-56, French Lick, IN 47432). The meeting agenda can be accessed here.  The meeting registration fee is $30, including lunch. Registration fee will be collected on-site by the Indiana Vegetable Growers…Read more about 2026 Southern Indiana Melon and Vegetable Growers Meeting[Read More]


Our team is launching a new webinar series, “Vegetable Chat,” focused on vegetable crop production. The series is designed primarily for commercial vegetable growers, though producers of all scales may find the information valuable. Each session will feature an expert presentation followed by a Q&A discussion. The first session will feature Dr. Thomas Björkman, who…Read more about Vegetable Chat: Broccoli[Read More]


This article provides a summary of information provided by Purdue Extension specialists at the 2025 Southwest Purdue Agricultural Center (SWPAC) Pumpkin Field Day.  Diverse Pumpkin and Winter Squashes   Dr. Liz Maynard gave a presentation on the diversity of pumpkins and winter squashes, covering different market types, their botanical classifications, maturity indicators, and storage life. Dr….Read more about 2025 SWPAC Pumpkin Field Day Recap[Read More]


Date: Wednesday, September 17, 2025, 1:30–5:00 p.m. EDTLocation: Southwest Purdue Agricultural Center (SWPAC)Address: 4369 N. Purdue Road, Vincennes, IN 47591 Registration: https://tinyurl.com/SWPACpumpkin • or call 812-886-0198 Questions? Contact Wenjing Guan (guan40@purdue.edu), Valerie Clingerman (clingerman@purdue.edu), or Barb Joyner (joynerb@purdue.edu). Tentative agenda 1:30–2:00 p.m. – Registration2:00–2:10 p.m. – Welcome to SWPAC — Dennis Nowaskie, SWPAC superintendent2:10–2:30 p.m….Read more about Southwest Purdue Ag Center Pumpkin Field Day[Read More]


Mark your calendars for an exciting educational opportunity! The Southwest Purdue Ag Center invites you to join their Pumpkin Field Day on September 17, 2025, from 1:30-5:30 pm EDT at 4369 N. Purdue Road, Vincennes, IN 47591. This hands-on event provides participants with the opportunity to explore a diverse range of pumpkin and winter squash…Read more about Southwest Purdue Ag Center Hosts Pumpkin Field Day[Read More]