Lovage Plant Illness: How To Manage Diseases Of Lovage Plants

Lovage Plant Illness: How To Manage Diseases Of Lovage Plants

By: Liz Baessler
Image by juefraphoto

Lovage is a hardy perennial herb native to Europe but naturalized throughout North America, too. It is especially popular as an ingredient in southern European cuisine. Because gardeners who grow it depend upon it for cooking, it’s especially sad to see it showing signs of disease. Keep reading to learn more about bacterial and fungal problems affecting lovage and how to treat a sick lovage plant.

Common Diseases of Lovage

On the whole, lovage plants are relatively disease free. There are, however, a few common diseases that can strike. One such disease is early blight. It can usually be prevented by applying Trichoderma harzianum to the soil before planting in the spring. Good air circulation and three-year crop rotation are also helpful. If your lovage is already growing, spray a solution of water and baking soda on the leaves as a preventative measure.

Another common lovage disease is late blight. This can usually be prevented by keeping leaves as free of moisture as possible. Applications of compost tea may also help prevent the disease. In the cases of both diseases of lovage, immediately remove and destroy plants that are already exhibiting the illness. At the end of the season, remove any debris left from infected plants.

Leaf spots are another common problem. These can usually be prevented by mulching and spraying a baking soda solution on the leaves.

Lovage Plant Illness from Other Means

While there are some lovage herb diseases, often plant problems come from bad growing conditions rather than pathogens. These physiological problems include extremes in water, light, and nutrients.

If your lovage plant seems to be suffering, it is more likely that one of these is the real culprit. Aphids, too, are a real problem with lovage plants. If your plant is looking sickly, check first for an aphid infestation.

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