Tag Archives: Fertility

Lavender Crop Update – Dealing with Excess Water and Root Disease – July 27, 2023

Posted on July 27, 2023 by Sean Westerveld

Lavender is nearing the end of bloom which will start to wind down the busiest agritourism season for farms open to the public. The focus over the next few weeks will be harvest for oil extraction, distillation and pruning. At … Continue reading →

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Lavender Crop Update – Considerations During Bloom – June 23, 2023

Posted on June 23, 2023 by Sean Westerveld

Bloom is just beginning in the southwest which is several days later than normal (Figure 1 and 2). The winner this year for earliest blooming cultivar in the plot is “Twickel Purple” (Figure 3). Figure 1. The cultivar demonstration plot … Continue reading →

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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 →

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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 →

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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 →

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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 →

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