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Sweet corn, fresh-on-the-cob, straight from the garden is a true summer delight.  I remember as a child the unfortunate mishap of having a loose tooth at corn time.  What a sad time that was!! 

Corn is easy to grow, however,  it does can take up a lot of space in the garden.  You must have four rows minimum for optimal pollination. You will give an average of 2 ears per stalk.  So quick math shows that if you want plenty to eat and freeze, you need a fair size patch.

Through the years, the genetic makeup of super-sweet varieties have improved the flavor making them twice as sweet as the older varieties as  it prevents the sugar from being converted to starch as quickly as standard corn.  They do not "get old" in the garden as quickly and can be stored in the refrigerator for 7-10 days and still maintain very good flavor and quality.  However, these older varieties of Golden/Silver Queen, Iochief, Golden Bantam, etc. are still popular and produce a bountiful crop.

Because of the high sugar to starch ratio in the kernels, germination conditions must be optimal as they tend not to be as vigorous as other varieties.  You will notice the seed kernels are smaller and more shriveled.  I like to plant 2 kernels at each hill to ensure a good stand.

My first experience with planting the super-sweet varieties happened a number of years ago.  I always planted Iochief or Golden Bantam as we preferred the yellow varieties.  One of our customers, a vegetable grower in Bermuda, asked me to send him about 10 varieties of corn, my choice; white and yellow.  He wanted to try a number of different varieties to see which he liked.  Later that summer he called and asked me if I had ever planted "Incredible".  I hadn't. He said that corn truly lives up to its name.  It made beautiful, uniform ears of delicious, sweet corn that held well.  He had customers coming back to ask for that corn.  He also discovered it held its flavor when kept in cold storage.  The following year I tried it and I have been "hooked" ever since.  If you like white corn, its white sister is "Argent".

When customers ask me for my recommendation, I always suggest "Incredible".  Often I have customers come back and say, I can't remember what I planted last year, but you recommended.... and I know--- they planted "Incredible"!!!

Planting:

Plant in fertile, well-drained soil in full sun after the expected frost date the middle of April.  For optimal pollination, plant in a block of rows at least 10-15 feet long with the rows spaced 2-4 feet apart.  Plant 2 seeds at each spot, 6-8 inches apart.  Cover with 1-1 1/2 inches of soil.  

Rule of thumb:  A 100 ft. row will yield 100-125 ears of corn.  It will take 5-6 ears of well-filled out corn to yield one pint of frozen corn.

Do not cultivate after the plants are 24 inches tall as you will damage their roots, causing the plants to be stunted.

If you plant different types of corn (open-pollinated, standard, sugar enhancer, cornmeal, popcorn or super sweet) don't allow them to cross-pollinate by planting in separate blocks at least 250 feet apart or you will have tough and starchy corn.  Different varieties of the same type can be planted close together.   To keep them from cross pollinating, plant in separate blocks with a week in between plantings. This spreads out the season and you will have fresh corn for a longer period of time.  Example:  if you plant Incredible (yellow) and Argent (white) on the same day, side by side, the result will be a mixture of delicious yellow and white kernels on the same ear.  

Fertilizing:

Corn, unlike the legumes in your garden, thrives on nitrogen.  Sprinkle 3-4 lbs. of 5-10-10 or preferably 10-10-10 per 100 ft. row.  When the plants are 8-10 inches tall side dress with 2 lbs. of 46% urea or 34% ammonium nitrate per 100 ft row.  Manure worked into the soil in the fall gives corn a wonderful boost. Corn is very sensitive to fluctuation in soil moisture should have 1 inch of water per week.  When it is hot and and the plants are lacking in enough water, the leaves will curl tightly to prevent moisture from escaping.  You will know your corn is under extreme stress and needs more water.  

Harvest:

Harvest when kernels are completely filled out and a pierced kernel reveals a white milky liquid.  If the liquid is clear, it is not ripe yet.  Go fishing for several days!  With experience you will be able to tell just by looking at the ear or feeling the well-rounded full ears.  The ear drops slightly away from its tight position next to the stalk. The silk should be brown, but not brittle.  It is preferable to harvest in the morning before the hot sun causes wilt-stress to the plant. They used to say "run from the garden with the corn."  With the newer varieties that is no longer necessary, however,  faster is always better.

Pests:

Not only do you like corn and it's mouth-watering sweetness, but so do raccoons, corn earworm, birds, Japanese Beetles, European Corn borers, deer, corn maggots and wireworms.  Some of these are easy to control and some like raccoons and deer are maddening, unrelenting, sneaky thieves!

Birds: Quite often I hear people complain that their corn did not come up.  I can almost guarantee  you had a sneaky, feathered thief called crows!  Crows sit in the treetops and watch you plant all those kernels of corn---just for them.  They crow with delight after you have gone to the house and invite the whole clan for corn and tea!  They will dig up kernels or if they can wait, will patiently watch until the corn has sprouted and is 1-3 inches tall.  They will literally go down the row with glee at the delightful  treat you have provided just for them and pull every stalk, eating the kernel and leaving the stalk lie on the ground. They will then sit in the tree and crow their annoying  gratitude for all your hard work.

The solution:  Mix Kernel Guard (available at your seed dealer) with the seed when you plant. Some people use scarecrows, fake owls, or tin plates on a string.   I have found that if I put 4 posts, one at each corner of my patch and string twine around the top of the post and then crisscross to form an X, the birds will think it is a trap and will not come into the patch. 

 It is the only thing I have found to really work.  After the corn is 12 inches tall, I remove the post and twine.

Also see Garden Pests for additional ideas.

Worms and Beetles: spray with an approved pesticide such as Sevin or Malathion when need arises.

Deer and Coons:  This is a  call for HELP! People have tried many different tactics, some with more success than others such as; radios blaring, hair clippings from barber shop, electric fences, bloodmeal, traps, dogs, etc. The most successful is an barrier fence such 2 x 4 welded wire. Any successful suggestions?

  June 26, 2004 Incredible Sweet Corn patch.

  June 26, 2004: Close up of Incredible Sweet Corn

 

July 10, 2004: Incredible corn picked from my garden and ready to freeze!

Definitions:  

Open Pollinated: These are old varieties of corn and seed can be saved and planted the following year.

Variety Color Days Description

Truckers Favorite

White 65 Early season

Golden Bantam

Yellow 75 Midseason

Hickory King

White 85 Late season

 

Standard Hybrids: Improved that have been around for years.  Are heavy producers and hearty.

Variety Color Days Description
Early Sunglow Yellow 63 Very early, short stalks and small ears.  Delicious as first corn of season for eating.
Butter and Sugar Mixed 75 Ultimate in flavor, texture and quality. 7' stalks with 7" ears.
Alpine White  77 Silver Queen quality but earlier. 8-8 1/2" ears with 16 rows of kernels.
  Seneca Chief Yellow 85 Long, cylindrical, straight-rowed ears with extra small cob.  White silk.  Very wilt-resistant and great for canning and freezing.
Iochief Yellow 85 Heavy producer with 9" ears and 15-18 rows of deep, yellow kernels.
Golden Bantam Yellow 85
Golden Queen Yellow 94 14-16 rows with excellent tip fill.  Tender 8-9" ears with 8-9' stalks. High sugar content.
Silver Queen White 92 High quality 8-9" ears on 7-8' stalks. 16 rows of snowy white kernels.  Sugary sweet and very tender.

 

Sugar Enhancer (SE or EH):  These hybrid varieties have only 15% more sugar than standard hybrids and are judged to be creamier.  They have a sugar enhancer sweet gene known as SE or or by the registered trademark Everlasting Heritage or EH.  They have their own special flavor and contain two kinds of sugar (maltose and sucrose).  They are more tender than super-sweet varieties and will hold flavor for 4-5 days.  They are known to "melt in your mouth.

Variety Color Days Description
Sugar Buns Yellow 72 Earliest gourmet sweet corn.  Superb eating due to homozygous sugary enhancer endosperm.
Kandy Korn Yellow 89 Very tender with extended holding time of 10-14 days. Burgundy red stalk, husks are bright green and red.

 

Supersweet (Sh2): SH2 means "shrunken two".  It has sweeter flavor, longer storage life and more compact stalks growing 4-5 feet tall. The genetic makeup makes the kernels  twice as sweet as standard varieties and prevents the sugar from turning to starch.  

Variety Color Days Description
Xtra Early Sweet 82 Yellow 70 7-9" ears with 1/2-2" cobs.  12-16 rows of shallow kernels.  Holds sweetness over long time.  Don't plant in cold ground.
Amaize Yellow 75 Bodacious season with very refined ear and dark green husks.
Bodacious Yellow 75 Exceptionally tender with superior sweet flavor.  18 rows of kernels on 8" ear.
Butter and Sugar Mixed 75 Ultimate in flavor, texture and quality.  7' stalks with 7" ears that are well filled and tightly wrapped with dark green husks.
Illini Chief Yellow 85 4 times as sweet 48 hours after picking.  Medium stalks with 2 or more 8" ears.  14-18 rows of extremely tender kernels.  Good for freezing.
  Incredible Yellow 85 Truly gourmet sweet corn. 18 rows on 9-1/2" ears with long shelf life.  Good husk protection.
Argent White 86 White version of Incredible. Good vigor in cold soils and high wilt tolerance.
How Sweet It Is White 87  Exceptionally long holding period on and off stalk.  8-1/2" ear. Exceptionally good eating quality.   Will not tolerate cold soil.

 

Popcorn: grow the same as sweet corn.  It will cross pollinate with sweet corn so you must keep them separated by about 250 feet or plant so the pollinating is at different times. It has a longer growing season than sweet corn and should be left to fully mature and dry on the stalk before harvesting.  Light frost will not hurt popcorn.  To harvest, twist ear from the stalk and pull back to husks.  Place in a basket or hang to fully dry 3-4 weeks in a dark, warm and airy place. Shell and store in an airtight container.

Variety Color Days Description
Perdue 305 White 105 Hybrid popcorn.
South America Yellow 105  
Red Strawberry Red 105 Red kernels on 4" ears. Also great for table decorations and floral arrangements.

 

Corn Meal: Fresh ground cornmeal has more flavor and far superior in minerals, protein and fiber that the flat-tasting, refined meal found in stores.  You can grow any corn, leaving more room between plants and rows as the plants get very large.  Plant away from sweet corn to prevent cross-pollination.

Cornmeal needs to be thoroughly dry so it won't spoil or mold in storage and often it often looks drier than it really is. When properly dried it stores well and can even be frozen indefinitely to prevent bugs and spoilage.

Let it dry on the stalk as late in the fall as practical and then pick and shuck the ears.  Dry them indoors over a register or by a stove.  When the corn is really dry it shells off the ears easily.  To shell, wrap your hand tightly around the ear and twist, forcing the kernels sideways and off the cob.  The corn can be stored off or on the cob. Grind in a grain meal or blender.

I do not stock these varieties.

Variety Color Days Description
Reids Yellow Dent Yellow 85-95 Grows 9' tall with two ears per stalk.  Is considered the most popular variety of open-pollinated corn.  Tolerates hot weather.
Hickory King White 85-110 Good for hominy, grits or cornmeal.
Longfellow Flint Yellow 117 Orange kernels on 10" ears and 10' stalks.  Makes sweet cornmeal and is high yielding.

*Each year our church grinds cornmeal  at the Virginia Mennonite Relief Sale in Harrisonburg, Virginia the first weekend in October.  We use dried field corn.  It makes delicious cornmeal.

 

Ornamental Corn: this corn has no food value and is purely decorative.

Variety Color Days Description
Ornamental   105 Decorative ears produced on strong stalks. Kernels in range of color.
  Seneca Mini Indian Corn   103 Exceptional combination of dark hues and light colors.  More colorful than other mini-corns.

Note: Pictures were taken from Wetsel Seed web page.