Zea maysvar.saccharataorZ. maysvar.rugosa

The first year I moved to Alaska , I throw off some sweet corn seed down in my flower bed halfway through the summertime , gave them some water , and blew them a buss goodbye .

Okay , not really ( the kiss part ) . The seeds germinated and the seedling produce a few column inch – and then died . Of course .

Because chilly September came when they were still untested , and then October hustle in with its first snowfall .

A close up of a pile of freshly harvested Zea mays with some of the husks pulled back to reveal the yellow kernels.

Photo by Mbhufford, Wikimedia Commons, viaCC BY-SA.

I wised up after that waste of seeds and garden space . Since then , my maize - growing noesis has expanded and every year I arise tall , fluttery - greenish stalks in my garden .

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Honestly , the idea of growing sweet corn can be daunting . How grandiloquent does it get ? Will it create shade over your total garden ? How is it pollinated ? When do you harvest it ?

A collage showing different photos of sweet corn growing on the stalk.

Photo by Mbhufford, Wikimedia Commons, viaCC BY-SA.

If you ’ve never grow cherubic corn ( Zea maysvar.saccharataorZ. maysvar.rugosa , or sometimesZea maysconvar.saccharatavar.rugosa ) before , or if you involve help with the maize you ’re growing in your garden , I ’ve got you covered .

Ready to grow your own sharp , tasty sweet Indian corn ?

What You’ll Learn

Before we get growing , I ’ll share some surprising secrets about the story and nature of this widely consumed grain .

The perfumed variety is mostly eaten as a vegetable , which is fitting ; Zea mays is rich in fiber , folate , phosphorus , vitamin C , antiberiberi factor , and Mg .

Cultivation and History

If it were n’t for humans , corn as we eff it today would not exist .

While it ’s a whole grain from the pasture kin , Poaceae , Z. maysisn’t found anywhere in the state of nature . Nine thousand years ago , Mesoamericans created corn out of almost nothing .

And by “ nothing ” I mean this unassuming little grass , teosinte ( Z. mexicana ) .

A close up of an ear of sweet corn on the stalk in corn patch.

With just a few edible kernels in each tiny ear , teosinte is n’t a food harvest .

But early Mesoamerican cultivator caught on to a transmissible mutation that remove teosinte ’s hard outer casing , which made the food grain inedible .

They carefully save and planted the especial kernels in orderliness to produce the lemon yellow we have a go at it today .

A close up of an ear of sweet corn on the stalk in corn patch.

That was at least 5,000 to 7,000 long time ago , as evidenced bythe 5,000 - year - honest-to-god cob of maize foundin the Guilá Naquitz Cave in Oaxaca , Mexico in the 1950s , and carbon - dated in the former 2000s .

For millennium , indigenous hoi polloi throughout the Americas grow maize .

The precise pedigree of odoriferous corn are indecipherable , but it ’s generally understood by scientists that the sweetened variety may have been discovered by stroke , when a recessive sport of gene come in maize and altered the loot and amylum levels in the plant .

A vertical close up picture of Zea mexicana, teosinte growing in Mexico with blue sky in the background.

People of the Iroquois Nation school this type of corn into a cultivar they named ‘ Papoon . ’

During the American Revolutionary War , Lieutenant Richard Bagnal of the Poor ’s Brigadestole the cultivar from the Haudenosaunee .

Over the years , settlers and scientists educate ‘ Papoon ’ into what ’s wide look at the “ original ” sweet maize , orsugary-1 ( SU ) .

A vertical image of a Zea mexicana teosinte growing in South America, with light purple and green foliage on a soft focus background.

We can thank John Laughnan , a vegetation professor and Indian corn geneticist at the University of Illinois , for developing supersweet corn in the 1950s .

Laughnanfound that the SH2 gene in fresh cornproduced meat with up to four metre more sugar and less amylum than other types of corn , and formulate supersweet corn from there .

In the eighties , another University of Illinois professor , Dusty Rhodes , discovered the more tender but less sweet sugary enhance ( SE ) corn .

A close up of different varieties of Zea mays hanging up to dry out, to the right of the frame the kernels are orange and to the left of the frame is yellow and dark kernels, pictured on a soft focus background.

There are four main types of odorous corn develop and consumed today : SU , SE , SH2 , and SYN .

Here ’s a quick partitioning of the divergence between the four :

Standard (SU)

The received sugary maize , or SU , is well known for its gratifying , creamy grain . It should be eaten within a week after crop for the dependable taste sensation .

The SU eccentric contains more dough and less starch than field corn , which is primarily used for grain and harvested when the kernels are dry .

The gamy levels of pelf in SU and other sweet variety show are the result of a natural genetic mutation that control the rebirth of wampum to starch in the industrial plant , making it sweet during the Milk River stage prior to the substance ’s full ontogeny .

A close up of bright yellow Zea mays kernels.

Sugary Enhanced (SE)

SE is an enhanced version of SU , with a in high spirits lettuce subject than stock sweet corn whiskey butless sugar than supersweet(SH2 ) .

A gene in the SE type causes an increase amount of sugar in the kernels , which also leads to kernels that are more crank .

SE is popular because it retains its taste and grain much longer than stock SU types after harvest .

A close up of Zea mays roasting on an open fire at a street market.

Supersweet (SH2)

SH2 is – that ’s correct , you guessed it – exceedingly sweet .

In fact , it has four to 10 times the dough contentedness of assortment of the SU type . SH2 has a very scummy starch content when the kernels have fully mature .

Synergistic (SYN)

This gripping case of sweet corn , abbreviated SYN , is a hybrid of 25 percent SH2 and 75 percent SE , which makes for crunchy yet tender heart and soul that contain their flavour well in storage .

Sweet Corn Propagation

There are two way of life to propagate sweet lemon yellow : from seed , or from graft , which you could find out in some local nurseries .

From Seed

Before you flora lemon , it ’s important to know the right time and seat for found .

Seedlings actually transplant pretty well , so you could start seeds indoors or outdoors and turn them inUSDA Hardiness Zones3 to 11

First , the conditions is an of import consideration . Z. maysis not broad of cold , so wait until two to three week after the last frost particular date in your arena to plant your seed .

A close up of two kernels of freshly harvested Zea mays with the husks pulled back set on a wicker tablemat.

Make certain your fair temperature in early spring are n’t incessantly below 60 ° F if you choose this method acting , since you ’ll feel it dispute to successfully establish seeds in cold dirt .

The grease temperature should be no gloomy than 50 ° F for optimum germination .

To help better the sprouting pace of your seeds and to speed germination along , soak them overnight in tepid water before set .

A close up of a hand from the right of the frame sowing Zea mays seeds into dark rich soil.

blame a planting location that capture at least six to eight 60 minutes of sunlight per day . The soil should be rich , so amend your soil with well - moulder manure or compost before constitute .

Sowing is prosperous . To sow come , drudge a muddle about one inch deep and place two to three seeds inside . Cover them lightly with dirt and water soundly .

You ’ll want to space the holes about seven to 12 inches aside . do your seed in a pulley pattern – a four - pes - by - eight - base square or something alike , depending on the sizing of your total planting area – instead of in rows .

A vertical image of rows of Zea mays growing in a raised garden bed with a wire fence in the background.

Each individual Larus marinus should be seven to 12 inches asunder from the others within the lame .

This is becauseZ. maysis wind - pollenate . Planting your crop in a pulley get it more likely that pollen from the tassels will drop on surrounding silk rather of on unsheathed earth ( or your carrot , pea , or whatever else you found next door ) .

This grain crop is a heavy feeder and each works will need some elbow room . When planting a blocking of rows , space each block about one to two feet apart .

A close cropped image of a container with tiny seedlings and grow lights positioned a few inches above the growing plants.

little gardens can successfully yield 15 to 20 plant in a four - by - six - foot bed with proper spacing .

Keep the soil moist , but not waterlogged , until germination , which can take anywhere from 10 days to three workweek

Once each plant has two sets of leaves , purloin off the small one or two seedlings every seven to 12 inches to allow the warm one to thrive .

A close up of a raised garden bed with tiny Zea mays seedlings surrounded by bark mulch.

To set forth seeds indoors , do so about two weeks before your medium last frost particular date .

Fill a seeded player tray with potting soil and make a one - inch - deep maw in each cell . Drop two to three seeds inside , hatch lightly with dirt , and keep evenly moist .

Once sprouting occurs , set the tray in a sunny windowsill that receives at least six to eight hours of luminousness a day or more .

A close up of Zea mays growing in the garden with bright green foliage, fading to soft focus in the background.

If you do n’t have much Sunday , positiona grow lightan inch away from the seedling , adjusting it as the plant rise .

Once each works has two Seth of true leaves , pinch off all but one seedling per mobile phone .

From a Transplant

Sometimes , you ’ll recover seedling at a local nursery . Or peradventure you ’ve successfully inseminate seeds indoors and want to graft them to the outdoor garden .

Here ’s how to do it :

Make certain the field you ’re transpose to receives at least six to eight hours of full sunlight a solar day . The soil should be organically deep , so ameliorate with well - rotted manure or compost .

A close up of a wooden raised garden bed with different varieties of Zea mays planted too close together.

Dig hole out about seven to 12 inch apart . I require to correspond more plants in my garden , so mine are more like seven to eight inches apart .

The holes should be the same size as the base testis you ’ll be transplanting .

go under the solution Lucille Ball inside the trap and backfill with soil , taking care not to address the stem . Water good , tally a layer of mulch to keep wet in and weeds out , and follow your mellisonant corn thrive !

A close up image of a black square container with Zea mays set on a lawn in the garden.

How to Grow Sweet Corn

Sweet maize favour organically rich , loose , well - draining dirt with a pH of 5.5 to 7.0 .

If you want to found several varieties of mellisonant Indian corn , maximize the blank you have in your yard .

Unless they are the same sort or you ’ve staggered out your planting , each secret plan should be spaced at least 100 yards aside to avoid any undesirable crown of thorns - pollination .

A vertical picture of Zea mays growing in a wooden raised garden bed with soil mounded or “hilled” around the stems.

Corn is wind - cross-pollinate ; the tassels are the manlike flowers of the plant , and the silk and ears are female . Wind blows pollen off the tassels and onto the silks .

Each string of a silk is connected to an individual floret on the pinna . Pollen from the tassel travels down the chain and pollinates each floret , giving it the reproductive cells to become a tasty kernel .

If you plant multiple varieties together , various genetic trait of each diverseness will mix .

A close up of Zea mays ‘Bodacious’ cultivar, freshly harvested with the husks pulled back to reveal the bright yellow kernels.

This sometimes produce unfavourable resultant . SH2 gist , for example , must not be turn near other sweet variety because the crossbreed - pollination would result in a inhibition of the cistron that makes it supersweet , fundamentally bend it into field edible corn .

Even worsened is to engraft scented corn near something likepopcorn . I learned this example the hard fashion by literally institute my perfumed gamboge and popcorn side by side .

When I realized that the popcorn tassels would pollinate the sweet corn silks , which would result in starchy , chewy substance ( yes , I ’d planted them at the same meter – I know , I know ! ) I had to graft the popcorn out of the garden .

A close up square image of Zea mays ‘Illini,’ freshly harvested and set on a gray plate, with the husks pulled back to reveal the yellow kernels.

I get my error when the plants were still new , which made transplanting easy .

I simply used a trowel , carefully moil up the popcorn , and replanted it in a big , deep , square container .

Since I was taking the corn aside from the insert garden , I spray it with Plantskydd toprotect it from European elk .

A close up of small green pests with black head and legs on a green leaf, pictured in bright sunshine.

The stalks are tall , green , and happy in their container that ’s locate on the polar oddment of my property from the raise layer garden .

Of course , the much easier solution to debar cross - pollinating is to plant different varieties far from each other to begin with , or to stick with one variety .

As far as fertilizing go , verify your sweet Indian corn gets regular doses of N , phosphorus , and potassium with a balanced NPK fertilizer , such as 10 - 10 - 10 .

A close up of a small seedling with a cutworm at the base, surrounded by soil.

give it fit in to parcel direction , every two to three weeks .

You could also bestow blood meal and ivory meal , according to the pedagogy on the packages , for a combination of N and phosphorus .

If your plant jump to sour a light lily-livered rather of a rich , benighted greens , then they are telling you something : prey me ! Yellowing of leave is a sure house that the plant needs more atomic number 7 .

A close up of the packaging of Monterey Bt spray on a white background.

And if you do n’t give them enough Lucifer , the leave-taking may start to turn purple at the edges .

This bump to both varieties I ’m growing .

Iadded ivory meal to the soil , which is high in Lucifer , by sprinkling it on top and working it in a duo inches deep .

A close up of a European corn borer on a green leaf.

Within a week , new green farewell were emerging .

As for wet , you ’ll want to give each plant aboutone inch of waterevery week . Drip irrigation works well . Or , water at the pedestal of each works .

The concluding thing to keep in idea is that you may involve to “ hill ” the corn to support the improbable stalks .

A close up of Bonide Thuricide Bacillus thuringiensis on a white background.

To do this , simply mound dirt about two to three inches eminent around the root to help keep each stalk unbent .

You might require to bring in some rich horticulture filth from your local horticulture store to give the plants a nice food boost as well .

iterate this process as necessary , ordinarily every two to three calendar week .

A close up of the packaging of Bonide Revitalize Biofungicide on a white background.

As you come near harvest home prison term , your plants will be heavy and susceptible to weighed down jazz .

labour a simple wooden stake down into the land in between two plant , and apply twine or stretch tie to plug two stalks to each stake .

This will help them stand improbable , and prevent them from toppling over under the weighting of the produce ear .

A close up of a green leaf suffering with common rust, on a soft focus background.

Growing Tips

Sweet Corn Cultivars to Select

In this section , I ’ll apportion my preferent SU , SH2 , SE , and SYN varieties . For even more options , check out our roundup of the11 right varieties to embed in your garden .

Bodacious, a Full-Bodied SE

While it make up to 90 sidereal day to grow , ‘ Bodacious ’ is deserving the delay . This SE variety turn eight - inch cobs with 18 rows of mellisonant , whitish kernels .

‘ Bodacious ’

Their delectable flavour lasts for 10 24-hour interval post harvest time , so if you plant a raw block of ejaculate every two week , you ’ll have enough corn for all of your later - summer and former fall cookouts .

A close up of the packaging of Eco-1 Fruit and Vegetable Spray on a white background.

Get your ‘ Bodacious ’ seeds in a smorgasbord of packet sizesat Eden Brothers .

Early Sunglow Hybrid, A Cool-Weather SU

Suitable for Zones 3 to 11 , ‘ Early Sunglow Hybrid ’ is an excellent option for cold - atmospheric condition nurseryman . Plus , it matures in as little as 62 days . That ’s fast for lemon !

‘ former Sunglow ’

With a fortunate color and a petite , four - foot stature at maturity , this SU cultivar give rise six to seven - in ears for your delectation .

Two men holding a wooden crate between them containing freshly harvested Zea mays walking in a grassy field.

Eat within two day after harvest for the sweetest flavor .

Find seeds in a variety of packet sizesavailable at honest Leaf Market .

Honey Select Hybrid, A Delightful SYN

This delicious mixture of tender and crunchy delivers eight- to nine - inch cobs about 80 days after germination .

‘ Honey Select ’

stalk grow to five or six understructure , so while they ’re magniloquent , they ’re not enormous equate to other varieties .

A close up, top down picture of a freshly made corn fritter set on a blue and white plate on a rustic wooden surface.

With indoor sowing , ‘ Honey Select Hybrid ’ grows well in zona 4 to 11 .

Illini Xtra Sweet Hybrid, A Supersweet SH2

This crossbreed delivers on loot substance , and cobnut last out angelical for days , kick in you great deal of clock time to enjoy them after harvest .

‘ Illini Xtra Sweet ’

‘ Illini Xtra Sweet Hybrid ’ produce six substructure tall at matureness , and delivers eight - in ears in 85 day . This cultivar originate undecomposed in Zones 4 to 11 .

A close up of a white plate with a black bean, tomato, and corn salad with a metal spoon to the left of the frame, set on a white fabric.

Find packet of 200 or 800 seedsat Burpee .

Managing Pests and Disease

sweet-smelling corn is susceptible to several pests and diseases . By checking on your crop each day , however , you could preclude many problems .

Here are a few predominant pests and diseases to learn out for .

Insects

Three of the most vexatious bugs for sweet maize are aphids , cutworm , and the European Indian corn borer .

Blue - gullible corn leaf aphids ( Rhopalosiphum maidis ) and greenish - yellow dark-green peach aphids ( Myzus persicae ) will stunt plant life growth when they suck sap from leaves , and leave a sticky center address honeydew in their backwash , whichcan then develop sooty molding .

Since aphids also love weeds , keeping your garden well - weeded is important .

A close up of a pile of freshly harvested homegrown corn with some of the husks pulled back to reveal the yellow kernels.

To get free of aphid , use a strongblast of piddle from the hoseto tap them off and then spray neem oil on each industrial plant to warn re - infestations .

ascertain out this guide to instruct aphids in your garden .

These gray - brown worms are basically seedling decapitators , cutting seedlings by from their lifeblood : the root system of your young plants .

Not only that , but cutworm – most normally theAgrotis ipsilon , Peridroma saucia , andFeltia ducensspecies – often proudly curl up next to their fallen quarry , like the rogue next to the distressing , dead lettuce plant pictured above .

To keep these pests away , make a tin foil necklace for each plant life and point it around the stem .

check over the collar every daylight to make certain there is n’t any signaling of cutworms , as well as to verify the stem is n’t rotting .

move out the leash before tearing and interchange after an hour or so to give the industrial plant meter to breathe .

Once the seedling produce into unattackable unseasoned plant with thick stalks , remove the collars .

MontereyBacillus thuringiensis(Bt ) Spray

Spray existing worm withBacillus thuringiensis(Bt ) spray , like this onefrom Arbico Organics .

you’re able to learn thuringiensisin this guideorread more about controlling cutworm here .

These nasty whitish cat ( Ostrinia nubilalis ) attack tassel , often shoot them off the shuck .

They also hollow out out sweet corn stalks by eating through stems and crunch through the cobnut shafts , make them to fall off the mother stalk . And they like to nibble on developing kernels as well .

In inadequate , they ’re spoilt news for your garden . They often go away a pile of frass , aka poop , behind when they drill into a stem , so keep your eye out for any strange masses under the leaves . The frass look a spot like sawdust .

Bonide Thuricide

To control plague , regale with thuricide according to software program instructions .

Try this productfrom Arbico Organics .

Disease

All sorts of maladies can taint your sweet maize . Here are a few top annoyances .

stimulate by the fungusColletotrichum graminicola , anthracnose presents as tan , brown , or even necrotic lesion on leaves . Left untreated , stalk can eventually moulder , killing the total plant .

This fungus thrives in hot , humid weather , so maintaining adequate airflow between your still hunt is authoritative .

Remembering to weewee at the base of each plant ( instead of hosing them down from above ) can also aid .

Manage an exist anthracnose transmission as early as possible in decree to enable your plant life to keep acquire and producing auricle .

Bonide Revitalize Biofungicide

To treat , spray plants with Bonide RevitalizeBacillus amyloliquefaciensBiofungicide , useable from Arbico Organics .

Easily describe by its , well , rusty spots on the farewell , common rust is due to the fungusPuccinia sorghi .

While it can affect all types of corn , it peculiarly adore sweet corn and is sometimes call “ uncouth rust of gamboge . ”

A cop fungicide atomizer , like this onefrom Arbico Organics , can handle the disease .

because of the fungusCercospora zeae - maydis , hoar leafage spot appears as tan lesion on the leaves about two week before the maize produces tassels .

If untreated , the lesions will turn dark-brown , originate large , and merge , killing intact leave-taking .

Fruit and Vegetable Spray

This eco - well-disposed sprayfrom Arbico Organicscan help ensure outbreaks .

Harvesting and Preserving Sweet Corn

For tasty - fresh clavus , harvest at the milk leg . This occurs 18 to 20 days after tasseling . The silk will be a dried - out brown , and the auricle will palpate plump and steady when you enwrap your hand around it .

To harvest , softly grasp an ear with your hand and bend or twist downward . Wrap ears in damp newspaper publisher towel to preserve their flavor in storage in the refrigerator , and hold off to husk until you ’re ready to use them .

corrode SU corn as soon as possible for the best flavor . SE , SH2 , and SHY type carry up well in entrepot , give you more time to eat them fresh or preserve them .

Kernels may also be blanched and then icy and stored in the Deepfreeze for up to 12 months .

That ’s the short version .

For a arrant guide to harvesting and preserve mellisonant Indian corn , check outour pathfinder to harvesting corn .

Recipes and Cooking Ideas

There ’s an eternal array of delectable peach you could make with your maize .

My favorite thing to do is grill it , slather it with butter , add a scattering of salt , and cut it off the cob to eat .

I do n’t care getting it stuck in my tooth , so I corrode it like a small Thomas Kyd . And it’sgood .

My second - favorite mode to rust it is in the physical body of these godly sweet edible corn fritters fromour sister web site , Foodal .

I also sleep with this roasted sugared white potato vine , corn , and black bean salad with juicy miso dressing for a perfectly brightness level and zingy summertime looker . you may find the recipe for this dishon Foodal as well .

Whichever formula you choose to use or dream up yourself , it ’s sure to taste a hundred times well when you make it with your own homegrown sweet Zea mays .

Quick Reference Growing Guide

Everything Corny and Wonderful

It ’s truly thrilling to look out your tiny seedling get tall and strong . There ’s nothing like seeing those tassel and silks shape and then watching spike develop , knowing you ’re in for a tasty treat .

And for more entropy aboutgrowing corn in your garden , check out these guide next :

picture by Fanny Slater , Laura Melchor , and Raquel Smith © expect the Experts , LLC . ALL RIGHTS RESERVED.See our TOSfor more details . Originally release on February 19th , 2019 . Last updated March 23rd , 2023 . Revised and expanded from an original clause by Casea Peterson . Product photos via Arbico Organics , Burpee , Eden Brothers , and dependable Leaf Market . Uncredited photos : Shutterstock .

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Laura Ojeda Melchor