Why does corn have hair?

How many ears can one corn plant produce?

Plant breeders have inquiring minds. Once a plant breeder, Dave Nanda wanted to find out what would happen if he removed the main ear shoot from a few corn plants.

“I was confident that each stalk would attempt to put out a replacement ear from the node below where I shucked off the main ear shoot,” says Nanda, an independent consultant based in Indianapolis.

Nanda pulled the main shoots off several stalks and marked them so he could those stalks later. After about six weeks he returned, and wasn’t surprised at what he found.

“In most cases, the plant simply dropped back to the next ear shoot below the main shoot and developed that ear,” he says. “Sometimes plants develop two ears anyway, but the main ear usually gets most of the nutrients and develops the most kernels.

“In this case, with one ear removed, the plant signaled the shoot at the node below it to take charge. In most cases, I found a pretty normal ear at that second shoot where I pulled the main shoot earlier.

“It’s all about the plant’s will to survive and produce as many progeny as possible,” Nanda explains. He reminds farmers that a corn plant’s goal is to produce as many viable babies as it can. Seed from hybrid corn won’t be planted, but the plant doesn’t know that. It does what it can to produce as many viable kernels as possible.

Plant makeup
The reason Nanda found reasonably good ears that grew and pollinated even after the main shoot was destroyed is because the shoots made it out while pollen was still available. That allowed plants to produce kernels on what was originally the second ear shoot.

“A corn plant actually has the ability to send out shoots at several nodes,” Nanda says. “One plant where I pulled an ear developed a reasonably good ear from the node below where I pulled the main shoot. Then another shoot attempted to develop on the next node down.”

Apparently, pollen ran out before that ear was ready to receive it, Nanda notes. There was a small cob and silks, but the silks were still attached and not pollinated.

“We tried this experiment last year, but all we got at the second shoot below where I pulled the main ear was a nubbin,” he recalls. “That’s because we pulled the main ear shoot too late a year ago. The ear shoot below it needs time to be ready to receive pollen. Once pollen is gone, the plant misses the opportunity.”

So how many ears can a plant produce? It likely varies by hybrid, but it’s basically tied to how many nodes can send out shoots, Nanda observes. “The trick is getting those silks out while there is still pollen available.”

Corn Watch ’17 is sponsored by Seed Genetics-Direct, Washington Court House, Ohio.

Common Corn Questions and Answers

What type of corn is grown in the United States?

There are several types of corn grown in the U.S., with the major types including field corn, sweet corn, and popcorn. All are of the species, Zea mays, and can cross pollinate. Field corn (also known as dent corn or simply, corn) occupies the majority of the corn acres in the United States, with 93.6 million acres planted in 2007 and 86.0 million acres in 2008. Of the 14.4 billion bushels produced in the United States in 2007, 42% went to animal feed, 22% to produce ethanol, 17% to export, 9% for domestic food uses, and 10% surplus. In comparison, there were only approximately 380,000 acres of sweet corn grown nationwide in 2007, with the crop used as corn on the cob or for processing as canned or frozen corn.

How many ears per plant and kernels per ear exist?

A typical corn plant produces one ear although multiple ears per plant can exist if resources (space, water, nutrients, etc.) are not limited. One silk is attached to each kernel allowing it to receive pollen. The average ear of corn has approximately 400 to 600 kernels arranged in 16 rows. Rows per ear can range from 12 to 20 with typical corn belt hybrids; genetics are the predominate factor in deciding this but growing conditions also affect it. See the following webpage for a picture of two ears with different row numbers. One bushel of corn contains about 90,000 kernels at typical harvest moistures.

What is a typical seeding rate in Iowa?

Optimum seeding rate varies based primarily on soil type and environment, with Iowa producers planting a range from 28,000 to 45,000 seeds per acre. Generally, an Iowa corn field has 30,000 plants per acre. Plant populations are increasing an average of 400 plants per acre per year.

How much does corn yield?

Corn is primarily grown as a grain crop in Iowa, although some producers harvest the plants for silage. Variation exists in yields from year to year, with Iowa corn grain yields increasing an average of 2.1 bushels per acre. The state yield for Iowa in 2008 was 171 bushels per acre.

How should I produce my sweet corn or popcorn?

Field (dent) corn is grown predominately by commercial farmers and requires production practices different, at times, from those typically used for sweet corn or popcorn which is grown in the garden or on a few acres. Two new publications (released in 2010) address specific recommendations and information for sweet corn and popcorn.

The answer depends on the population density of the corn field. Briefly, the ear of a corn plant is a branch. If you think about what happens to stands of other more familiar plants (think, for instance, of a christmas tree farm), you know that the more space an individual plant has for growth the more it will branch (the “bushier” it will be). This is an interaction of the plant’s genes with its environment; specifically a response to how much light, water and nutrients there are for each individual plant. As you crowd a plant there are fewer growth resources (light, water, nutrients) per individual and as a result there is less branching.

In commercial stands of corn, it is not unusual for farmers these days to be planting in the range of 30 to 35 thousand plants per acre. Although most such corn would be planted in 30-inch row spacing, there is great interest in planting in narrower rows (such as 15 and even 10 inches) and perhaps even solid-seeding the plant (i.e., without rows at all). Whatever the planting arrangement, a stand of corn with 35,000 individuals per acre is one that is so thick that you cannot walk through it, meaning that there is extremely high competition between individual plants for their growth resources. You would therefore expect that there would be less branching (i.e., fewer ears) per plant. In fact, a ratio of about 0.9 ears per plant over a whole acre would not be unusual. The 0.1 loss of ears/plant is referred to as “barrenness,” and it is a measure of how tolerant a given variety of corn is to high density environments. The greater the barrenness the less tolerant to high density a cultivar would be. Today’s cultivars of corn are highly tolerant of high densities, meaning that they will give at least 0.9 (very near 1.0) ears per plant when planted in high populations. They have been selected to do this.

However, ANY cultivar of corn when planted in environments with low competition (e.g., the border rows of a corn field or in a low population field) will respond by branching more, in other words by producing more ears per plant. It is true that there has been breeding effort devoted toward the development of what are termed “strongly single-eared” varieties, but what this means is that these varieties tend to branch less in low population conditions than other varieties, not that they are genetically incapable of responding in the way that is normal for a corn plant, to branch more when given more resources per individual plant. There was great interest for a time in breeding strongly single-eared types with uniform ear height, and this had to do with earlier harvesting practices (both by means of hand labor as well as with early mechanical pickers). These days corn harvesters (called “combines”) will harvest ears from any height, and in whatever number they are produced on single stalks, so it is not as important an issue as it once was. However, as explained above, modern cultivars of corn are selected to perform at their peak under highly competitive conditions, and for all intents and purposes this means that they will only produce one ear under commercial production conditions. You might be interested to know that you can plant corn at higher populations than recommended for grain production. When you do this, you intentionally increase barrenness (decrease the number of ears/stalk) and produce greater amounts of stover (stem and leaf material). This is what is done when a producer is interested in silage rather than grain.

Those are the facts. I’ll leave it to you to settle your bet.

Ricardo J. Salvador

An addendum from Dr. Irvin C. Anderson:

The number of ears per plant varies as a function of genotype and plant density and other factors as you know. There is and old hybrid, WF9*C103, that even at 5000 plants per acre only shoots one ear, but its optimum plant density is 10 -13 thousand plants/acre. One of the first studies that showed the nature of tolerance to high plant density was done in the 1950s by Forest Troyer with DeKalb. He grew a population at very high densities and only selfed plants that had receptive silks at anthesis of that plant. Those plants were the first to silk, most were delayed or did not produce plants with silks. From this program he got inbreeds that were prolific and withstood high plant densities. I expect that the plants he selected had small tassel size genes since small tassel or low IAA concentration in tassels gives tolerance to plant density. Present day hybrids have smaller tassels than old hybrids. One reason commercial hybrid companies have trouble developing hybrids with small tassels is that in hybrid production they have trouble with the male inbred producing adequate pollen because plants are small and the pollen needs to disperse some distance, and large tassel size is a dominant characteristic.

Corn History and How it Grows

All about corn’s past and the different types available.

About Corn

Corn is authentically American. A member of the grass family, it was first domesticated from a wild grain several thousand years ago by Aztec and Mayan Indians in Mexico and Central America. The first corn was a loose-podded variety that looked like the seed head at the top of wheat stalks. The kernels were small and each covered by a hull. Central and South American peoples came to depend so heavily on corn — or maize — that they devised some of the earliest calendars just to keep track of their corn planting and harvesting schedules.

Eventually, corn’s popularity spread to North America. By the time the first European settlers arrived on this continent, corn was the chief food crop of the native Indians. The colonists quickly learned how to grow corn, and they enthusiastically adopted the new staple. In fact, much of the early fighting that took place between the settlers and the Indians was over cornfields. The stakes were high; losing a cornfield meant losing your food supply.

Back then, people raised what’s now called field corn. Some corn was eaten fresh, but most of the harvest was cooked in fried cakes, breads and puddings, dried for winter storage or ground into cornmeal and corn flour. Field corn was also used for livestock feed, as it is today. Sweet corn varieties weren’t developed until the 1700s.

Over the years, cross-pollination during cultivation caused genetic changes that transformed corn into the shape and size we now know. Today, corn is still more popular in this country than anywhere else in the world. There are thousands of strains of corn, with more than 200 varieties of sweet corn alone.


All the varieties can be divided into four basic groups: field corn, sweet corn, popcorn and ornamental corn. There are many varieties of field corn; some are favorites of gardeners and farmers who eat them as roasting ears. These can be “dent” or “flint” corns, both of which can also be dried and ground for homemade meal. Flint corn has a hard-shelled kernel, and it does well in the cooler climates of New England and Canada. Dent corn is somewhat hard-shelled, and the top of the kernel forms a characteristic dented shape when the ears are mature.

Popcorn, another hard-shelled variety, contains very hard starch that expands when heated until the kernel pops. For all the corn groups, kernel texture, shape and flavor are often governed by the starch and sugar content, and this differs with each variety. These variations are exactly what make our favorite fresh corn varieties the soft-shelled, moist and sweet-tasting ones; that’s why they’re known as sweet corn.

How Corn Grows

Whether you’re raising field corn, popcorn or sweet corn, they all grow basically the same way. Once the seed or kernel is planted in an inch or two of soil, it germinates in 5 to 12 days, depending on the variety and the soil temperature. Corn won’t germinate if the soil temperature is below 55° F. It germinates fastest in soil that’s 68° to 86° F.

After the seed sprouts, it sends down a taproot and starts to develop its first leaves. These leaves resemble blades of grass when they sprout.

As it grows, corn develops a thick, fibrous stalk and many flat, pointed leaves. The stalk can grow as tall as 15 feet, depending on the climate and variety. The roots of each plant grow down 3 to 5 feet and extend about 1 foot or so to each side of the stalk. Some of the roots develop above the ground. These are called “prop roots,” and they serve as natural supports for the tall stalks.


When the stalk reaches about two-thirds its full height, its reproductive process starts. The plant first develops straw-colored tassels near the top. These are the “male” flowers of the plant. About three days after corn tassels, the silks or stigma of the “female” flowers appear lower on the stalk. These long, threadlike silks develop from the newly formed ears of corn. Each silk corresponds to a single kernel within the ear, and each kernel must be pollinated in order to have a completely filled ear. The tassels contain pollen that falls down and is carried to the silks by the wind. The tassels produce much more pollen than will ever be needed, and the silks flutter about in the wind to catch drifting pollen. The surface of each silk has tiny hairlike receptors to hold the pollen once it lands. It then travels down the silk to the kernel area, where fertilization occurs.

Although it’s possible for a corn plant to fertilize itself, the pollen usually travels to the silks of neighboring plants. To ensure complete fertilization, it’s best to plant corn in several short rows or blocks rather than long, narrow rows.

Even with nature’s added insurance, pollination can be hampered by weather, soil conditions and poor fertility. That’s why some ears may be completely filled and others may not.

Each corn plant generally produces one or two ears, except for special multieared varieties. Once pollination takes place, the kernels begin to develop on each cob. It usually takes about three weeks from silking for the first ears to be ready to harvest. The weather plays a big part here. The kernels develop fastest when the weather is hot and there’s plenty of water. If it’s too cool or too dry, the harvest will be delayed.

Kernel Flavor

The next stages of corn’s growth determine the flavor and texture of the kernel. Here you have a great deal of control, because it’s often just the timing of the harvest that counts.

Newly formed corn kernels are full of liquid or “milk.” The milk stage doesn’t last long in most varieties, because the plant’s natural goal is to convert that sweet liquid into starch. (If the seed were allowed to continue its life cycle, the starch would be stored and used later as food to sustain the new plant.)

However, the milk stage is the peak harvesttime for sweet corn, and gardeners who can successfully judge their corn’s growing progress are well rewarded.

If corn isn’t harvested during the milk stage, the starch-making process goes ahead, and the inside of each corn kernel becomes more solid, losing its sweet taste. This is called the “dough” stage.

The final stage of kernel development occurs if you don’t harvest the stalks or if you dry them for winter storage. Sweet corn seeds become wrinkled and transparent as the natural starches eventually lose their water content.

Quick Guide to Growing Corn

  • Hold off on planting corn in spring until after the last frost.
  • Space seedlings 8 to 12 inches apart in an area with full sun and fertile, well-drained soil with a pH of 6.0 to 6.8.
  • Improve native soil conditions by mixing in several inches of aged compost or other rich organic matter.
  • Corn will grow quickly when it is watered well. Check soil moisture often and consider using a soaker hose if you have a small plot.
  • Corn has a big appetite, so it’s important to feed plants with a water-soluble plant food regularly.
  • Add a 3-inch layer of mulch to keep soil moist and prevent weeds.
  • Harvest corn when the ear feels plump and the silks are brown and dry.

Soil, Planting, and Care

Corn needs a spot with that gets full sun and has fertile, well-drained soil with a pH of 6.0 to 6.8. It’s a good idea to amend the soil to improve nutrition and texture by mixing aged compost-enriched Miracle-Gro® Performance Organics™ All Purpose In-Ground Soil in with the top few inches of native soil. Seedlings can be set out as soon as the last spring frost has passed. Space plants 8 to 12 inches apart. In case of a surprise late frost, be prepared to cover seedlings with a fabric row cover. In cold climates you can plant in a raised bed covered with black or IRT plastic (infrared transmitting plastic) that will warm the soil. If possible, lay the plastic a week or so before planting.

Plan to fertilize regularly because corn is a hungry plant. In addition to setting out young plants in the kind of nutrient-rich soil mentioned above, you’ll want to feed corn regularly with a continuous-release fertilizer like Miracle-Gro® Performance Organics™ All Purpose Plant Nutrition Granules that nourishes both the soil and your plants. (Be sure to follow rates given on the label of any fertilizer you are using.) Water your corn once or twice weekly, more if the weather is hot and dry.

Normal plants should grow fast with dark green healthy leaves. Corn will tell you if it is hungry by turning very light green. If so, feed again.

Corn grows fast and needs lots of water to grow properly. It also has shallow roots that make it susceptible to drought. Soaker hoses will insure that your corn gets the water it needs. However, for a large planting, soaker hoses may not be practical.

Hopi and Navaho Techniques

Native Americans in arid climates planted corn in basins to catch spring rainwater and help keep the corn roots down where water would be available longer. The basin was about 4 inches deep and 2 to 3 feet wide with a raised ridge made from the excavated soil around it. Plants were arranged so that they formed a spiral from the center to help with support in wind and with pollination. If you live in an arid climate or a hot climate and have poor sandy soil, as in the Coastal Plains, this technique could help ensure a good harvest.

Silk Development and Emergence in Corn

Follow @PurdueCornGuy

July 2016
URL: http://www.kingcorn.org/news/timeless/Silks.html
R.L. (Bob) Nielsen
Agronomy Dept., Purdue Univ.
West Lafayette, IN 47907-2054
Email address: rnielsen at purdue.edu
  • Corn produces individual male and female flowers on the same plant.
  • The ear represents the female flower of the corn plant.
  • Severe soil moisture deficits can delay silk emergence and disrupt the synchrony of pollen shed and silk availability, resulting in poor kernel set.

he corn plant produces individual male and female flowers (a flowering habit called monoecious for you corny trivia fans.) Interestingly, both flowers are initially bisexual (aka “perfect”), but during the course of development the female components (gynoecia) of the male flowers and the male components (stamens) of the female flowers abort, resulting in tassel (male) and ear (female) development.

The silks that emerge from the ear shoot are the functional stigmas of the female flowers of a corn plant. Each silk connects to an individual ovule (potential kernel). A given silk must be pollinated in order for the ovule to be fertilized and develop into a kernel. Up to 1000 ovules typically form per ear, even though we typically harvest only 400 to 600 actual kernels per ear.

Technically, growth stage R1 (Abendroth et al., 2011) for a given ear is defined when a single silk strand is visible from the tip of the husk. A field is defined as being at growth stage R1 when silks have emerged on at least 50 % of the plants. This whole field definition for growth stage R1 is synonymous with the term “mid-silk”.

Silk Elongation and Emergence

Silks begin to elongate from the ovules 10 to 14 days prior to growth stage R1 or approximately at the V12 leaf stage. Silk elongation begins first from the basal ovules of the cob, then proceeds sequentially up the ear. Because of this acropetal sequence of silk elongation, silks from the basal (butt) portion of the ear typically emerge first from the husk, while the tip silks generally emerge last. Complete silk emergence from an ear generally occurs within four to eight days after the first silks emerge from the husk leaves.

As silks first emerge from the husk, they lengthen as much as 1.5 inches per day for the first day or two, but gradually slow over the next several days. Silk elongation occurs by expansion of existing cells, so elongation rate slows as more and more cells reach maximum size. Elongation of an individual silk stops shortly after pollen is captured, germinates and then penetrates the silk.

If not pollinated, silk elongation stops about 10 days after silk emergence due to senescence of the silk tissue. Unusually long silks can be a diagnostic symptom that the ear was not successfully pollinated.

Silks remain receptive to pollen grain germination up to 10 days after silk emergence, but to an ever-decreasing degree. The majority of successful ovule fertilization occurs during the first 4 to 5 days after silk emergence (see photos that follow).

Natural senescence of silk tissue over time results in collapsed tissue that restricts continued growth of the pollen tube. Silk emergence usually occurs in close synchrony with pollen shed, so that duration of silk receptivity is normally not a concern. Failure of silks to emerge in the first place, however, does not bode well for successful pollination.

Pollination and Fertilization

For those of you serious about semantics, let’s review two definitions relevant to sex in the cornfield. Pollination is the act of transferring the pollen grains to the silks by wind or insects. Fertilization is the union of the male gametes from the pollen with the female gametes from the ovule. Technically, pollination is almost always successful (i.e., the pollen reaches the silks), but unsuccessful fertilization (i.e., pollen tube failure, silk failure, pollen death) will fail to result in a kernel.

Pollen grain germination occurs within minutes after a pollen grain lands on a receptive silk. A pollen tube, containing the male genetic material, develops and grows inside the silk, and fertilizes the ovule within 24 hours. Pollen grains can land and germinate anywhere along the length of an exposed receptive silk. Many pollen grains may germinate on a receptive silk, but typically only one will successfully fertilize the ovule.

Silk Emergence Failure

Severe Drought Stress. The most common cause of incomplete silk emergence is severe drought stress. Silks have the greatest water content of any corn plant tissue and thus are most sensitive to moisture levels in the plant. Severe moisture deficits will slow silk elongation, causing a delay or failure of silks to emerge from the ear shoot. If the delay is long enough, pollen shed may be almost or completely finished before receptive silks are available; resulting in nearly blank or totally blank cobs. Severe drought stress accompanied by low relative humidity can also desiccate exposed silks and render them non-receptive to pollen germination.

The severity of drought stress required for significant silk emergence delay or desiccation can probably be characterized by severe leaf rolling that begins early in the morning and continues into the early evening hours. Such severe leaf rolling is often accompanied by a change in leaf color from “healthy” green to a grayish-tinged green that may eventually die and bleach to a straw color.

Silk Clipping by Insects. Although technically not described as silk emergence failure, severe silk clipping by insects such as corn rootworm beetle or Japanese beetle nonetheless can interfere with the success of pollination by decreasing or eliminating viable or receptive exposed silk tissue. Fortunately, unless the beetle activity is nonstop for days, continued elongation of silks from the husk will expose undamaged and receptive silk tissue at the rate of about one inch or more per day.

Silk “Balling”. Occasionally, silks fail to emerge successfully because they fail to elongate in their usual straight “path” up the ear toward the end of the husk leaves. Instead, silk elongation becomes convoluted (twisted, coiled, scrambled) inside the husk leaves. This silk “balling” phenomenon is not well-understood and hybrids tend to vary in their vulnerability to this type of silk emergence failure. Two different pieces of circumstantial evidence are often associated with the problem. One is a physical restriction imposed on silk elongation caused by unusually”tight” or long husk leaves in certain hybrids. The other circumstance often correlated with silk “balling” is the occurrence of unusually cool nights during the time silk elongation is occurring, but prior to silk emergence. The physiological effect of such cool nights on silk elongation is not understood. It has been years since I last saw a field with a significant level of silk “balling” (Nielsen, 2000).

Click on image to view larger version.

Silk elongation on the lower half of a V12 ear shoot; 10 to 14 days before silk emergence..
Silk elongation on the lower 2/3 of a V14 ear, about 4 days after V12; 6 to 10 days before silk emergence.
Variable silk length along length of cob at first silk emergence; illustrating the acropetal development of silks..
Silks recently clipped with a knife; note the discolored, non-receptive ends of the silks where the clipping occurred.
About 1.5 inches of silk elongation since being manually clipped about 15hrs previous.
Western Corn Rootworm beetles (Diabrotica spp.) actively feeding on silks and pollen.
Trichomes visible on silks just emerging through husk leaves.
Pollen “captured” by silk trichomes on a popcorn hybrid with anthocyanin-pigmented silks.
Kernel set on ears where pollination was prevented for 3 days after first silk emergence, then allowed to proceed without interference.
Kernel set on ears where pollination was prevented for 4 days after first silk emergence, then allowed to proceed without interference.
Kernel set on ears where pollination was prevented for 5 days after first silk emergence, then allowed to proceed without interference.

Related Reading

Corn Silk

Q. Is it true that each strand of silk on an ear of corn represents a kernel of corn?

A. Yes, but only if pollen falls on the silk. Otherwise, a kernel does not develop.

A corn plant produces corn silk surrounding each ear about two months after the plant emerges from the ground. The plant matures after about four months, according to ”How a Corn Plant Develops,” a report by the Cooperative Extension Service of the Iowa State University of Science and Technology at Ames.

Tassels, the male part of the plant, emerge at its apex and shed pollen for a week or two, fertilizing the individual silk strands below, said Dr. Dale E. Farnham, an assistant professor of agronomy at Iowa State. The silk strands grow a little more than an inch every day and continue to grow until they are fertilized.

Pollination occurs when the falling or wind-borne pollen grains are caught by these new moist silk strands. A captured pollen grain takes about 24 hours to move down the silk to the ovule, where fertilization occurs. The ovule then develops into a kernel.


Moderate Interaction

Be cautious with this combination


  • Medications for diabetes (Antidiabetes drugs) interacts with CORN SILK

    Corn silk might decrease blood sugar. Diabetes medications are also used to lower blood sugar. Taking corn silk along with diabetes medications might cause your blood sugar to go too low. Monitor your blood sugar closely. The dose of your diabetes medication might need to be changed.<br><nb>Some medications used for diabetes include glimepiride (Amaryl), glyburide (DiaBeta, Glynase PresTab, Micronase), insulin, pioglitazone (Actos), rosiglitazone (Avandia), chlorpropamide (Diabinese), glipizide (Glucotrol), tolbutamide (Orinase), and others.

  • Medications for high blood pressure (Antihypertensive drugs) interacts with CORN SILK

    Large amounts of corn silk seem to decrease blood pressure. Taking corn silk along with medications for high blood pressure might cause your blood pressure to go too low.<br><nb>Some medications for high blood pressure include captopril (Capoten), enalapril (Vasotec), losartan (Cozaar), valsartan (Diovan), diltiazem (Cardizem), Amlodipine (Norvasc), hydrochlorothiazide (HydroDiuril), furosemide (Lasix), and many others.

  • Medications for inflammation (Corticosteroids) interacts with CORN SILK

    Some medications for inflammation can decrease potassium in the body. Corn silk might also decrease potassium in the body. Taking corn silk along with some medications for inflammation might decrease potassium in the body too much.<br><nb>Some medications for inflammation include dexamethasone (Decadron), hydrocortisone (Cortef), methylprednisolone (Medrol), prednisone (Deltasone), and others.

  • Warfarin (Coumadin) interacts with CORN SILK

    Corn silk contains large amounts of vitamin K. Vitamin K is used by the body to help blood clot. Warfarin (Coumadin) is used to slow blood clotting. By helping the blood clot, corn silk might decrease the effectiveness of warfarin (Coumadin). Be sure to have your blood checked regularly. The dose of your warfarin (Coumadin) might need to be changed.

  • Water pills (Diuretic drugs) interacts with CORN SILK

    Corn silk seems to work like “water pills.” Corn silk and “water pills” might cause the body to get rid of potassium along with water. Taking corn silk along with “water pills” might decrease potassium in the body too much.<br><nb>Some “water pills” that can deplete potassium include chlorothiazide (Diuril), chlorthalidone (Thalitone), furosemide (Lasix), hydrochlorothiazide (HCTZ, HydroDiuril, Microzide), and others.

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