Is this something that happens to milkweed? Thank Tony, for the leafhopper damaged post. I also use it for overwintering plants indoors. The plants infested with aphids you have to wash off the aphids by hand using water in a squirt bottle. Zero loss of potency and it's crazy how much shit comes out of them and how much better the smoke is after. When there’s problem, I remove leaves/stems before they spread, and that has been effective for us. That kills them outright. I was going to dig up most of their milkweed and transplant it. I checked for spiders/mites etc but can’t seem to figure out what has happened. H2O2 kills gnat larvae on contact. How do you get rid of parsley worms? I would also try spraying the remaining stem with a hydrogen peroxide mix…see the chart linked in the article. I'm at the end of my healing and now stocked up on TTO, ACV, Hydrogen Peroxide for ever! Thanks. Of course as a Purdue entomology grad i think they are the best. It flourished this way. But right there is a possible answer~~RINSING. Hello! I noticed I do have some plants with blackish spots and not so nice looking. Spray the plants while they are inside the cage or have cutting containers on a boot tray where you can easily see them if they fall. Rather than fight the flies and hornets, I pluck off all the eggs and instars and raise them inside. I’ll look first, and remove any I find to safety, but of course I may miss some. I would cut all the plants down to the ground and treat the stubs and soil as well as clean all the surrounding surfaces. He leaves look healthy otherwise. Thanks for any advise. I want to get ahead of the fungus this year because last year I was far behind. good luck! 2. While DEET may kill aphids on your milkweed, it’s also going to kill monarch eggs and caterpillars. I hope the disease pages link helps you figure out what’s going on…good luck! by Patti (Missouri City, Texas, USA) Monarch Eggs. Do you know how often I can spray? They’re not planted very close together. This sounds like it would be a good idea for you next season. Thin out the herd– if your milkweed plants are crowded, your milkweed patch can become a breeding ground for fungi. I have also noticed that the leaves on some plants (even in other locations) are very small. We are in SoCal with some really hot temps now. I try to limit my caterpillar shit inhalations as much as possible. I am not sure if the plant is dying, the sun is killing these leaves or if this is normal. 10% hydrogen peroxide will kill weeds. You can control their population easily. A: You definitely should not use any toxic insecticide, since that could kill the caterpillars as well. They have basically “keeled over” on a branch and died. I usually remove/discard those leaves and it’s never developed into a serious problem. The black spots on my curassavica look exactly like your picture so I’m going out right now to remove the unhealthy ones. 5. I’m just wondering about future eggs/cats. In the spring I lost over 40 and called the first nursery. Hydrogen peroxide is a nontoxic alternative to chemical pest control and breaks down into water and oxygen. 1. Hi Kathryn, check out this info for how we use hydrogen peroxide. … I waited a bit and bought two more plants from a different nursery and tried again. Any pesticides/insecticides that kill milkweed bugs will also kill Monarch and Queen caterpillars. When planted a few weeks ago we were in the low 80s. I grew my seeds in 8 “cow pots” sitting in a plastic container sitting on heat mats and all under lights. Also helps your plants are getting too much moisture or when plants are will hydrogen peroxide kill monarch caterpillars close! I sure would like to add that last year cages with cats have used the treatment preventatively in the before. ( Skip to the right track and stop n Shop organic plant based dish.! 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