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The Best-tasting Corn in History!

Corn Yellow Mirai 131Y

(P) Pkt
Item # 05539-PK-P1
$3.99
Buy 5+ at $2.99 ea
Buy 10+ at $2.39 ea
Available to ship.

A sensation in Japan, it's so popular here that folks drive 100 miles or more to buy it at roadside stands!

So sweet and tender, you scarcely need to chew it!
71 days. Its name means "the future is almost here," but once you taste your first bite of Mirai® Yellow Corn, you'll know that's wrong -- the future IS here, and its name is Mirai! This ultra supersweet corn is so sugary and succulent that it gives new meaning to the term "caramel corn"! And with this new strain -- 131Y -- the seed is easier than ever to germinate!

The story of this corn's wild popularity is incredible. It was bred on the Ahrens family farm in Illinois by J. David Mackenzie, a plantsman from Cornell University. As the economy worsened for family farms in the early 1990s, the Ahrenses hired Mackenzie to research new strains of sweet corn for market use. When he discovered Mirai®, he was really just trying to create a more disease-resistant variety. But one taste changed all that.

At first, the new corn didn't seem marketable. It needs to be hand-picked, which ruled out production by the huge commercial farms in the U.S. So Mackenzie introduced it instead to Japan, where small "boutique" farms are common, and many crops are still picked by hand. Within a few years Mirai® had become the bestselling sweet corn in Japan, capturing an amazing 35% of the market from all other varieties! (That's where it got its name, too. Mirai® (pronounced me-RYE) also means "taste"!)

Once small American farms and roadside produce operations heard of Mirai's success in Japan (where it made headlines), everyone wanted the seed. But until now, the breeders have wisely released only a small amount of seed, continuing to test and trial it. The results have been spectacular -- and those farmers' markets lucky enough to grow Mirai® have been besieged by long lines all season long! It's not uncommon for folks to drive 100 miles or more to wait in line for Mirai® -- and it is especially popular with older corn-lovers, because it is so gentle on the teeth or dentures.

Needless to say, we are delighted to make this remarkable corn available from seed to our Park gardeners! In addition to this yellow variety, there is also a bicolor. These ears are 8 inches long, with good "tip fill" (meaning that the kernels stay plump and delicious all the way to the end of the ear instead of petering out!) and excellent coverage by dark green husks. Once picked, the ears last up to 6 weeks if refrigerated! (But you'll eat every last one LONG before then!) The 7-foot plants are very, very heavy-yielding, and show good resistance to Stewart's Wilt and common rust.

Our Director of Seeds, Stephanie Turner, had the opportunity to sample Mirai® last summer, and began negotiating to buy the seed that same day. "I have never tasted anything like it in my life," Stephanie tells us. "I sampled it raw in the field, and it was all I could do not to eat the entire cob!"

Mirai® is as easy to grow as other corn, but it must be isolated from other varieties (EXCEPT other Supersweets) by at least 50 feet. This is important -- the plants will grow and set fruit just fine if grown among other varieties, but they will cross-pollinate and you won't be harvesting the true Mirai® If you want to continue growing other varieties as well as Mirai®, just plant Mirai® at least 2 weeks after the others. (It appreciates warmer soil anyway!)

Because Mirai® is low on starch content, work some amendments into the soil before planting these seeds, and be sure to wait until the soil has thoroughly warmed in spring before sowing seed. Sow it a bit more shallowly (about 1 1/4 inches) than you would other corn, and space the plants a bit farther apart. Keep the moisture level as constant as possible during the growth season. Let the ears mature fully, following the old rules about waiting 3 weeks after the silks appear, checking that the silks are brown and brittle before picking, and then squeezing a kernel from the tip of a sample ear to make sure that it's full of milky liquid. Mirai® acquires its fabulous flavor during the final weeks of growth, so harvesting at full maturity is very important!

The best flavor emerges when Mirai® is boiled for no more than 2 minutes, or grilled into a sugary-sweet confection. It is delectable raw too, but you'll notice the sweetest flavor when it is just barely cooked. Whoever thought that corn could be such a gourmet delicacy?! Pkt is 100 seeds.

Genus Zea
Species mays var. rugosa
Variety Corn Yellow Mirai 131Y
ItemForm (P) Pkt
FruitColor Yellow
Habit Upright
PlantHeight 7 ft
FruitLength 8 in
AdditionalCharacteristics Direct Sow, Edible
LightRequirements Full Sun
Resistance Rust, Stewart's Wilt
SoilTolerance Normal,  loamy
Uses Cuisine
Overall Rating: 5 Stars
Average Based on 1 Reviews Write a Review
Fantastic-Bar None!
Floyd from OH wrote (June 19, 2014):
I grew this corn last year for the first time. It was by far the best tasting, juiciest corn I have ever grown. I put in pretty close to 500 kernels and I was amazed that I had about 97 percent of the seeds come up. Eating it right off the stalk raw was not a problem, it was that good.
Corn Germination Information

Corn Seed Germination How to Sow Corn:
  • Best sown outdoors in situ after all danger of frost is past in the spring
  • Sow in a warm soil
  • Seeds can also be sown indoors, 2 weeks before last frost, at a temperature of 70-75°
  • For a continuous crop of sweet corn, sow every 2 weeks until early spring
  • Indoors and out, sow at a depth of 4 times the size of the seed and expect germination in 7-10 days

How to Grow Corn:
Transplanting: Thin seedlings to 3-12 inches apart or transplant to same distance when there are at least two sets of true leaves

Spacing: Space rows 24-36 inches apart

Lighting: Site in full sun

Soil: Site in full sun in an acidic to alkaline, fertile, moist, well-drained soil. Keep well fertilized

Appearance and Use:

Plants grow to 15 feet tall by 3 feet wide with long, strap-shaped green leaves. It is grown for the sweet corn that is eaten fresh (it also cans and freezes well) and for the dried kernels that become Pop Corn. Harvest sweet corn when the silks have dried; harvest pop corn when the stalks have dried. Sweet corn cobs are also used as animal silage and the stalks as fodder


About Corn:
Botanical name: Zea mays
Pronunciation:  ze’å maz
Lifecycle:  Perennial
Origination: Poaceae; native to tropical America

Superior Germination Through Superior Science

Park's Superior Seeds Park Seed's humidity- and temperature-controlled seed storage vault Park Seed offers some of the highest-quality vegetable and flower seeds available in the industry, and there are a number of reasons for this.

First of all, we have humidity- and temperature-controlled storage, and we never treat any of our seeds with chemicals or pesticides. Nor do we ever sell GMO's (genetically modified seeds), so you always know the products you're buying from us are natural as well as safe for you and the environment.

Superior Standards - University Inspected

Testing seeds against minimum germination standards To make sure we are providing the best seed product possible and that our customers will get the highest number of seedlings from every packet, we conduct our own germination testing and have quality-control measures in every stage of our seed-handling operation. We hold ourselves to standards that are at or above federal and state standards, including testing specific crops more frequently than recommended by federal guidelines. And in order to maintain our organic certification, we welcome Clemson University to inspect us annually to make sure our organic seeds, which are stored and processed separately, are being handled properly.

Hand Packed By Experienced Technicians

Park Seed has been handling and packing vegetable and flower seeds for 145 years, a history that has given us a great understanding of how each variety should be cared for and maintained throughout every step of theprocess, from collection to shipping.

When packing our seeds, the majority are actually done by hand (with extreme care!), and we often over-pack them, so you're receiving more than the stated quantity.

The Park Seed Gold Standard

Park Seed's exclusive Fresh-Pak gold foil seed packets And many of our seeds are packed in our exclusive Fresh-Pak gold foil packets, which are lined to keep moisture out, so the seeds stay fresher for longer. We carefully pack very tiny or fragile seeds in crush-proof vials to ensure safe delivery to your home. Some of the small seeds are also offered as "pellets" (have a clay coating) to make sowing and growing easier.

When it comes to the kinds of seeds we offer, we are constantly seeking something new and provide many unique and hard-to-find varieties from all around the world. Our on-staff horticulturists are ready and available to share their expertise to help you with the success of these seeds, so you can grow a beautiful and productive garden!

Does Park sell GMO's or treated seeds?

It is important for our customers to know that Park Seed does not sell GMO or treated seed. We do buy a small amount of traditional hybrid seed from Seminis, a division of Monsanto Co., but that is all we purchase from them.

What are the differences between organic, heirloom, and hybrid seed?

Basically, organic seeds are seeds that are produced without the use and exposure to artificial/chemical fertilizers, insecticides, fungicides, herbicides, and other chemicals. They have to be grown, harvested, stored, and handled under very strict organic rules and procedures. All of our organic seeds are USDA 100% certified organic through Clemson University and the certificate has to be renewed yearly.

Heirloom Seeds are open-pollinated -- they are not hybrids. You can gather and save heirloom seed from year to year and they will grow true to type every year, so they can be passed down through generations. To be considered an heirloom, a variety would have to be at least from the 1940's and 3 generations old (many varieties are much older -- some 100 years or more!).

Hybrid seed are the product of cross-pollination between 2 different parent plants, resulting in a new plant/seed that is different from the parents. Unlike Heirloom seed, hybrid seed need to be re-purchased new every year (and not saved). They usually will not grow true to type if you save them, but will revert to one of the parents they were crossed with and most likely look/taste different in some way.

What are pelleted seeds? Why do you use them? How do I handle/sow them?

Extremely small seed such as Petunias and Pentas are shipped as pelleted seed to make them easier to handle and sow. Pelleted seed are coated, usually with clay, to make them larger in size. After sowing, the coating will dissolve when wet and the seed will germinate. Pelleted seeds are shipped in vials placed inside seed packets, which protects them from being crushed. When sowing, be certain to use thoroughly moistened soil, to be sure that the clay coating absorbs enough moisture to dissolve. For sowing pelleted Petunia seeds, place the seeds directly on the soil surface and do not cover with soil, as light aids in the germination.

What is ideal temperature to germinate most seeds?

The ideal temperature to germinate most seeds is approximately 70 degrees F; give or take 1-2 degrees either way. This would be a good germination temperature for most flower and vegetable seeds and would be the most practical and feasible temperatures achieved for gardeners starting seeds in the home. You will notice for some seeds that it is recommended to use alternating day (warmer), night (cooler), temperatures, which is fine if one can provide such conditions. But most people are unable to provide those temperatures in a home setting, so just use the overall 70 degree F recommendation and the seeds should germinate well.

How long should grow lights be kept on per day and how close to the plants should the light be kept?

For germination and seedling/plant growth, you want to simulate the natural day-night cycles, and as a general rule, grow lights should be on 8-12 hours per day and off at night. You can vary this timing, as some seeds such as tomato, pepper, petunia, impatiens, and others, benefit from 14-17 hours of light per day (and the remainder of the 24 hour period in darkness). The most common grow lights used are fluorescent; using cool white, warm white, and wide-spectrum fluorescent tubes. These lights work well for germination and for growing plants up to a transplantable size. Fluorescent lights should be kept close though, 3-6 inches above the soil or the growing plants, adjusting the height as the plants grow.

How long will seeds keep in storage?

Park Seed stores seed in a special temperature- and humidity-controlled storage facility, which keeps seeds in excellent condition. Our seeds should be good for at least 1-2 years on average. Seed viability and storage time will vary depending on the seed item; some will keep a shorter time and some will keep longer. Seeds should be stored in a cool, dark, dry place. A basement will do (if not too humid), or a cool, dark room or closet. We recommend the best way to extend seed storage life is to store them in something air tight, such as a plastic zipper storage bag or canning jar, and place it in the refrigerator. This will extend the life of seeds for many years.

What is the best way to store seeds over a longer time period?

We recommend the best way to extend seed storage life is to store seeds in something air tight, such as a plastic zipper storage bag or canning jar, and place it in the refrigerator. This will extend the life of seeds for many years.

What depth should I sow various seeds?

When sowing seed outdoors, we recommend a maximum planting depth of 4X the width of the seed. When sowing seed indoors, the planting depth can be less, depending on the seed being sown, so it is always best to check specific directions. Here are some general guidelines concerning planting depth in relation to seed size: Tiny, dust-like seeds need to be sown on the surface of the growing medium or soil, uncovered, as they need light to germinate. The planting depth for small seed can be anywhere from barely covering, to 1/8-inch deep, to possibly 1/4-inch deep, depending on the recommendation. Medium seed should be planted at 1/4- to 1/2-inch deep, depending on the recommendation. Larger seeds can be planted 1-inch or deeper, depending on the recommendation.

Things You May Need:
Monterey B. t. Biological Insecticide Organic Vegetable Fertilizer (3-lb. bag) Soil Test Kit Digital Soil Thermometer