Thanks Heidi! It seems to be worse in the hot weather and we have had some good weather this spring. Climate has a lot to do with it. Try to keep the leaves dry and water just at the roots when it is hot. Also, you can spray down the leaves with a mixure of a gallon of water, 3 tbls of baking soda and a little dishsoap. Spray it on the leaves with a squirt bottle. This kills the fungus. Here is a good formula I found online:
Baking Soda Spray: ■1 tbsp vegetable oil ■1 gallon unchlorinated water ■1 tbsp apple cider vinegar ■1 tsp Listerine (yes, the famous mouthwash, not mint flavour, just regular) ■1 tbsp liquid soap ■1 ½ tbsp baking soda ■Pump sprayer (large)
Mix the baking soda, soap, Listerine, and oil with 1 cup water. Add the vinegar last so that the mix won’t bubble over. Pour the mixture into the sprayer and add 1 gallon water. Shake to combine. Spray plants thoroughly.
This formulation may need to be reapplied after rain since it tends to wash off. One side benefit to the baking soda spray is that insects don’t love it either!
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ReplyDeleteThanks Heidi! It seems to be worse in the hot weather and we have had some good weather this spring. Climate has a lot to do with it. Try to keep the leaves dry and water just at the roots when it is hot. Also, you can spray down the leaves with a mixure of a gallon of water, 3 tbls of baking soda and a little dishsoap. Spray it on the leaves with a squirt bottle. This kills the fungus. Here is a good formula I found online:
ReplyDeleteBaking Soda Spray:
■1 tbsp vegetable oil
■1 gallon unchlorinated water
■1 tbsp apple cider vinegar
■1 tsp Listerine (yes, the famous mouthwash, not mint flavour, just regular)
■1 tbsp liquid soap
■1 ½ tbsp baking soda
■Pump sprayer (large)
Mix the baking soda, soap, Listerine, and oil with 1 cup water. Add the vinegar last so that the mix won’t bubble over. Pour the mixture into the sprayer and add 1 gallon water. Shake to combine. Spray plants thoroughly.
This formulation may need to be reapplied after rain since it tends to wash off. One side benefit to the baking soda spray is that insects don’t love it either!