If we don't have an early frost, you'll just make it if you plant now. I might suggest changing to a variety with a slightly shorter season.

Corn planted the first half of June will mature earlier than the date on the packet because of the warm weather from the get-go.

Heck, it doesn't seem to matter if I plant it late April in the greenhouse or mid-June in the ground, it all gets ready the last couple of weeks of August.

Is there any problem with pollination in extreme heat? I planted a 90 day OP variety, not realizing how long it took and didn't plant it until mid-May in AZ, which is pretty late.
I'm a little worried it will be too hot when they start tasseling. They look great right now. About 4 feet high and growing by leaps and bounds, only 4 weeks old.
This is the TX Honey June variety. I can't seem to find anyone else who's tried it, yet.

tracyDr - I don't think the heat affects pollination. I just harvested peaches and cream corn this weekend and it has been high 90's to low 100's last month. I had good results, just keep it watered well when it is tasseling.

Here is a link that might be useful: My Garden Blog

I agree, georgiahomegarden.
The mid-west is full of heat & corn.
I can drive in the county& tell the gardeners from the farmers,by the amount of corn in the garden.

Hopefully not. I wouldn't worry about 90-100. But I'm thinking when mine is ready to pollinate that we might actually be closer to 110 and possibly 120. I've projected 90 days from when I planted is around August 10. How long before maturity is pollination for sweet corn?
This week we get to 107, although night temps are still fairly low which always seems to help tomatoes pollinate better.

Corn pollinates well in Iowa with temps in the 90s, as long as there is some rain.