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Chocolate Cosmos Mold Problem

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Question from Eleanor Davis

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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.

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Chocolate Cosmos Mold Problem (04/09/2011)Chocolate Cosmos Mold Problem (04/09/2011)Chocolate Cosmos Mold Problem (04/09/2011)

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  • Views: 1588
  • Replies: 2
  • Posted: Sun. 4th September 2011 17:20

Re: Chocolate Cosmos Mold Problem

Reply from Patricia Jones

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.

  • Posted: Mon. 5th September 2011 10:35

Re: Re: Chocolate Cosmos Mold Problem

Reply from Eleanor Davis

Thanks so much. I actually have all those ingredients in the house so I can make it immediately.

  • Posted: Fri. 30th September 2011 15:46