I think the problem is too much sun too quickly, that the leaves are scorched. If you can move the window boxes to a place where they will get at least 1/2 day of shade for awhile and they should recover.

Same thing happened to mine when I put them outside. Initially I set them outside for a couple hours each day, but a few of the days were rather hot. They've been outside for about a month now and other than a few white leaves, my Moonflowers appear to be very heathy. Matter of fact, I'm even getting some buds.

Hi, when you say that the leaves "turned white" what do you mean? I ask because I have some moonflowers that are growing very prolificly, but have almost like scorched spots on some of the leaves. I wanted to make sure this wasn't a disease or an infestation but I've searched and searched and not found anything except the 4 Lined Plant Bug, but I can't find pictures of what they do to the plant. I'm hoping it is just sun scorch. Have any of you tried spraying your plants with an insecticide or fungicide? If so how did it react? I'm afraid to damage the leaves. Thanks!

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