What's this on my hollyhocks??

Miami, FL(Zone 10b)

Hi, I've been growing some hollyhocks in pots right outside my backyard door. But then when I transplanted them to the garden a couple days later they appeared with a brown/white ( I don't really know what to say for color but look at the picture) on the leaves and I can't take it off. It's really very annoying and seems that only the hollyhocks get them because I have some celosias right next to them and have never gotten "it". Once I looked at a leaf of a hollyhock and it looked shiny and when I touched it, it was rather sticky so I got some water and poured it on the leaf and rubbed it with my finger but it then turned white and impossible to remove so I removed the leaf. I believe it could be some sort of pest causing this but I don't know what it is. Help me please.

More pics:

http://img80.imageshack.us/i/10092010145.jpg/

http://img401.imageshack.us/i/10092010146.jpg/

Thumbnail by locoboy0712
Dublin, CA(Zone 9a)

This wouldn't explain the stickiness, but the spots on the leaves could be sunburn. Are they getting more sun in their new location than they were before? If you're going to increase sun exposure, you need to adjust the plants to it gradually or else they can sunburn.

Can't be sunburn since it is only one leaf that is affected. That it was sticky and shiney reminds me of the trail that slugs leave.

Miami, FL(Zone 10b)

Nope, they are actually getting less sun than they did where they were before. Also, they are under a tree.

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