Q.My Show Flower Plant Got White Powder Like Disease to the Stem
My show flower plant got white powder like disease to the stem. Its buds are not developing and not producing good flowers. How do I cure?
Certified GKH Gardening Expert
The powdery residue is from a fungal issue called powdery mildew. You can try treating the plant and soil with neem oil. Here is more information: https://www.gardeningknowhow.com/plant-problems/disease/get-the-cure-for-powdery-mildew.htm
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm
Also take a look at a product called Green Cure. I have found it to be the best in getting rid of Powdery Mildew. Link: http://www.greencure.net .