Tag Archives: Fertility

Ginseng Crop Update – Alternaria, Irrigation and Fertility – June 7, 2023

Posted on June 7, 2023 by Sean Westerveld

Foliar Diseases Dry weather conditions and low humidity during warm periods have reduced the risk of most diseases of ginseng. However, frost damage in some gardens and plant stress due to dry conditions can result in increased risk of Alternaria … Continue reading →

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

Lavender Crop Update – May 26, 2023

Posted on May 26, 2023 by Sean Westerveld

There have been several frosts over the past week. Although it was probably not cold enough to cause major damage in most areas, it is possible flower buds may have been affected if you are in a particularly frost prone … Continue reading →

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

A Guide to Soil Sampling for Lavender

Posted on April 28, 2023 by Sean Westerveld

Soil sampling is an important aspect of crop management. It is essential for managing nutrients, especially phosphorus (P) and potassium (K), and adjusting the pH of the soil. It can also be an important tool for diagnosing soilborne pest issues … Continue reading →

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

Lavender Crop Update: Mid-Summer To-Do List – July 27, 2022

Posted on July 27, 2022 by Sean Westerveld

Lavender bloom is nearly complete for another year. Growers with distillation equipment are likely busy distilling now and over the next few weeks. Otherwise, pruning can be done anytime between now and the end of August. Fertilization can continue to … Continue reading →

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

Ginseng Crop Update – Nitrogen Fertilization – June 17, 2022

Posted on June 17, 2022 by Sean Westerveld

The ginseng crop is progressing normally this year after several years of spring cold temperature and frost damage. This should reduce pressures of foliar diseases. As temperatures warm, the added stress could lead to higher Alternaria pressures over the next … Continue reading →

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

Lavender Crop Update – Late Summer Management – August 21, 2020

Posted on August 21, 2020 by Sean Westerveld

August to October is the time lavender plants recover from the bloom period and put on new growth. August is the best time to fertilize plants and prune. Now that we are getting closer to the end of August, pruning … Continue reading →

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