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Chocolate Cosmos Mold Problem

Chocolate Cosmos Mold Problem

Question from Shoot User
2001 1
I have 3 plants and all are suffering from a white mildew up the stems. The plants are well spaced out and in between them I have Euphorbia (Diamond Frost) but I've kept them all quite well spaced to allow for air. How can I treat this or do I need to destroy the plants. I had planned on taking cuttings but that looks unlikely now.

Images -
1. The white mildew on the stems.
2. This brown marking is on the back on some leaves.
3. From above to see the spacing.

I keep the ground clear of leaves and weeds.

Any help would be appricated.

Click to enlarge images
https://d30qmn300ic0sk.cloudfront.net/assets/users/user_6781/forum_9523_109_20110904182037.jpghttps://d30qmn300ic0sk.cloudfront.net/assets/users/user_6781/forum_9523_608_20110904182040.jpghttps://d30qmn300ic0sk.cloudfront.net/assets/users/user_6781/forum_9523_421_20110904182042.jpg
Posted: Sunday 4th of September 2011 05:20 PM

  • Re: Chocolate Cosmos Mold Problem

    Shoot User
    Clip off all the leaves affected by the mildew. Mildew likes a humid environment. I found this recipe on the web but have not used it personally or on a plant ;-) .As the chocolate Cosmos isn't hardy (Tender in frost (H3)) it might be worth lifting them now and putting in a greenhouse. Don't water the plants from overhead, this can spread spores.A mulch also can prevent the spores rising.You did the correct thing by increasing air fow to the plants.
    Patricia

    Ingredients:
    •1 gallon of water
    •1 tablespoon of baking soda
    •1 tablespoon of vegetable oil
    •1 tablespoon of dishwashing liquid
    Mix the ingredients together and add them to a spray bottle. Spray your plants weekly, preferably on overcast days to prevent it from burning the foliage.
    Replied: Monday 5th of September 2011 10:35 AM

    • Re: Re: Chocolate Cosmos Mold Problem

      Shoot User
      Thanks so much. I actually have all those ingredients in the house so I can make it immediately.
      Replied: Friday 30th of September 2011 03:46 PM
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