Planting sweet corn early

HughB

Member
The last freeze day here is April 15th. My neighbor always plants his sweet corn by April 10. Another two weeks it will be HOT here. I am about 35 mi north of Birmingham. What is the earliest some of you guys can plant?
 
Our Ag Center list corn planting dates at 2/15 to 5/15.
Most of the sweet corn gets planted the first weeks of March and is 2 to 8 inches tall by this time of year.
Our entire garden needs to be planted by 4/15 including Tomatoes or you are going to have real heat problems.
 
The main thing is soil temperature and the seed you're using. The best early sweet corn varieties can sit in 50 degree F damp soil and not rot (if treated). Some later sweet corns will rot in any soil colder then 60 F.

If you want to be sure you're not wasting seed amd fertilizer, you need to stick a thermometer in the ground at planting depth and see if it's warm enough.

I don't worry about plant damage later and late frost. I've never lost corn plants as long as no bigger then the two-leaf stage. Frost knocks them down and burns the leaves, but they come back even stronger.

I checked our soil here today and it's 48 F degrees in most spots I checked. No good for any sweet corn yet.
 
It was dry enough to till garden and plant peas, carrots, chard, beets and radishes about 2 weeks ago in western Washington, and they are all coming up, despite cold and rainy conditions since. Corn and other frost and temp. sensitive crops generally go in around the first week in May here.
 

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