Tag Archives: Insects

Ginseng Crop Update – Spring Emergence and Product Updates – April 12, 2026

Posted on April 13, 2026 by Sean Westerveld

This is the first crop update of the 2026 growing season. Emergence and Growing Degree Days Accumulated Growing Degree Days (Base 5°C) at Delhi up to April 12 are 5 days ahead of the 25-year average, which suggests crop emergence … Continue reading →

Posted in Ginseng, Ginseng Pest Management, Ginseng Production | Tagged , , , , , | Leave a comment

Spotted Lanternfly Update – See It? Stop It. Don’t Spread It.

Posted on February 5, 2026 by Melanie Filotas

Hannah Fraser, Entomologist-Horticulture, OMAFA Spotted lanternfly (Lycorma delicatula, SLF) is an invasive planthopper that threatens Ontario’s agricultural sector. The pest was accidentally introduced to the United States (US) from its native range in China and has since spread to multiple … Continue reading →

Posted in All Specialty Crops | Tagged , , , , , | Leave a comment

Lavender Crop Update – Late Summer Tasks, August 27, 2025

Posted on August 29, 2025 by Sean Westerveld

Irrigation Much of the summer has been hot and dry, a climate that lavender is used to. However, lavender in Ontario may have struggled with moisture stress because root systems are not as extensive as they are in the plant’s … Continue reading →

Posted in Herbs, Lavender | Tagged , , , , , , | Leave a comment

Ginseng Crop Update – Ginseng Leaf Folders are Re-Emerging – July 25, 2025

Posted on July 25, 2025 by Sean Westerveld

Given the more severe outbreaks of leaf folders (Zigzag Herpteogramma – Herpetogramma thestealis) over the past couple of years, we have been tracking their progress over the year to get a better understanding of their life cycle. This week, our … Continue reading →

Posted in Ginseng, Ginseng Pest Management | Tagged , , | Leave a comment

Lavender Crop Update – Bloom and Post-Bloom Considerations – July 18, 2025

Posted on July 18, 2025 by Sean Westerveld

Lavender is in full bloom across the province, and agritourism activities are in full swing. Angustifolia cultivars are nearing the end of bloom in the south, while lavandins are in the early bloom stage. This can cause lavender growers to … Continue reading →

Posted in Herbs, Lavender | Tagged , , , , | Leave a comment

Ginseng Crop Update – Dealing with Heat – July 18, 2025

Posted on July 18, 2025 by Sean Westerveld

Although some cooler weather has temporarily arrived, we are currently experiencing a hot stretch that may continue again next week. Many areas have also been very dry, with only 43 mm of rain having fallen at the Delhi Weather Station … Continue reading →

Posted in Ginseng, Ginseng Pest Management, Ginseng Production | Tagged , , , , , | Leave a comment