The Indian nettle, botanically Monarda, delights not only the owners but also the insects with its flowers in the garden. However, these plants are very quickly attacked by powdery mildew. With the right care, you can effectively prevent powdery mildew on Indian nettle.
How do I recognize powdery mildew on Indian nettle?
Powdery mildew appears on Indian nettles asa whitish coating that you can wipe off with your hand. This fungus is the most common disease of Indian nettle. This is usually caused by an incorrect location or plants that are too close together.
How do I treat powdery mildew on Indian nettles?
If powdery mildew appears on your Indian nettle, it is best to cut the plant back to the ground. Dispose of the plant parts in household waste. If the location is too dry or the plants are too close together, you need to find a new place for your Indian nettle.
How do I prevent powdery mildew on Indian nettles?
Before you plant the Indian nettle in your garden, look for theright location The plant needs a sunny to partially shaded place with nutrient-rich soil that can store water well. This means the plant grows vigorously and is less affected by mildew. The Indian nettle needs an annual cut. It also needs to be divided and transplanted every three to five years. This stimulates growth and strengthens the plant. The risk of powdery mildew is significantly reduced.
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Indian nettles with resistance to mildew
There are new varieties of Indian nettle that are hardly affected by powdery mildew. These varieties are based on a wild species. The advantage is that they no longer need to be replanted every three years. They thrive more and more every year. Some of the mildew-resistant varieties were named after names from Tom Sawyer, as this refers to their original homeland of America.