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Re: Corn Spacing

Square Foot Gardening List - http://www.flinet.com/~gallus/sqft.html

Sorry.  Should have mentioned again we live in Phoenix AZ, low desert, where
our average 1st frost date is November 25 but it can vary from November 3 to
none at all.  There was a period 20 years ago when we had 1,897 consecutive
frost-free days.  For warm season crops (corn, beans, squash), we have a
spring growing season and a fall growing season.  Our cool season crops
(leafy, fleshy stems, roots, peas) are grown during the wintertime beginning
in late September - sort of compensates for the long, hot summers.

You are correct about it taking longer to mature in the fall.  In the
spring, it's pretty close to the dates on the seed packet but in the fall it
typically takes 15 - 20 per cent longer.  I think it is because the seed
packet days are calculated based on accumulated heat units at the Midwestern
cornbelt location at the time of year it is grown there.  In the fall, it's
cooler here so it takes longer to accumulate the requisite number of heat
units.  Some states, e.g. AZ, use a more complex formula to determine days
to maturity.which includes factors other than the specified number of hours
above some temperature (hours of daylight, for example which are also
shorter and thus contribute to extending maturity time.

As to varieties, there are lots of choices.  What you would want would
depend on your growing season, the available space and your own flavor or
color preferences.  There is a article at
http://home.att.net/~millero/sweetcorn.html which describes the differences
in the su,.se, sh,  op types.

Olin
====================
----- Original Message -----
From: Kevin Henson <kevinh@thesocket.com>
Sent: Monday, September 13, 1999 8:53 AM
Subject: Re: Corn Spacing


> Square Foot Gardening List - http://www.flinet.com/~gallus/sqft.html
>
> Olin,
>
> ..
> I didn't realize you could grow corn this late in the season.
>
> I looked corn up in the book, and it says the last planting should be
> planted 2 to 4 weeks before the first freeze.  I also read it takes longer
> for the harvest the later the crop, about 12 to 13 weeks. Is this because
of
> the heat change?  I have always thought you needed heat for corn.
>
 > ...
> Are there better varieties to choose from?
>
> Peg


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