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Sunflowers

The Sunflower, Helianthus annuus is an annual flower of the Americas best known for its bright yellow petals and delicious seeds.

1,001 Questions

Is it safe to eat sunflower seed shells?

Well Yes and No. While eating the shell gives you fiber , if left in sharp pieces the shell can damage something on the way down the digestive system. If chewed into little bits it should be safe

Why is Ray florets of sunflower described as neuters?

Because it has both male and female reproductive organs lacking

How do they make shell-less sunflower seeds?

Well they first start by soaking the seeds in human urine to moisten the shell so it is easier for the shell to be cracked off. Next, you lubricate it with vaseline or any lubricant really, after that suck them hard baby then the shell will pop off and you can roast the seeds until your hearts content. :DD

How have sunflowers adapted?

Sunflowers grow tall (higher than competing vegitation) but the mature flower heads do NOT turn to follow the Sun.

The uniform alignment of sunflower heads in a field might give some people the false impression that they are tracking the sun, but the heads are actually pointing in a fixed direction (East) all day long. However, the uniform alignment does result from heliotropism in an earlier development stage, the bud stage, before the appearance of flower heads (anthesis). The buds are heliotropic until the end of the bud stage, and finally face East. Their heliotropic motion is a circadian rhythm, synchronized by the sun, which continues if the sun disappears on cloudy days. If a sunflower plant in the bud stage is rotated 180°, the bud will be turning away from the sun for a few days, as resynchronization by the sun takes time. The heliotropic motion of the bud is performed by the pulvinus, a flexible segment just below the bud, due to reversible changes in turgor pressure (no growth).

How long does it take sunflower seeds to biodegrade?

Yes, sunflower seeds are biodegradable.... All things that come from plants are biodegradable.

Can you grow sunflowers in the southwest states?

Yes. Several species of sunflower grow naturally there. If you grow a domestic cultivar, you just need to make sure it has enough water; they aren't quite as well adapted to drier conditions.

Where are sunflowers habitat?

Department of Agronomy
Of all crops harvested for seed around the world, only one was domesticated in America - sunflower. This widely adapted crop is now grown in every temperate region, including many parts of the U.S.
In the U.S., 2.7 million acres were grown in 1991, about 85 percent of which was oilseed sunflower. The rest was grown for whole-seed confectionary uses. North Dakota has been the leader in sunflower production, with 1.4 million acres in 1991. South Dakota and Minnesota are the next biggest sunflower producers.
Kansas grew about 75,000 acres of sunflower in 1991, about two-thirds of it oilseed varieties. Nearly 20,000 acres were grown in Missouri in the late 1970s, but Missouri acreage declined to a few thousand acres after prices fell. The 1990 Farm Bill has renewed interest in sunflower, since it established new farm programs to promote sunflower and other minor oilseeds


Wikipedia (slightly abridged) says:
...
The sunflower is native to the Americas. The evidence thus far is that it was first domesticated in Mexico, by at least 2600 BC. It may have been domesticated a second time in the middle Mississippi Valley, or been introduced there from Mexico at an early date, as maize (corn) was. The earliest known examples of a fully domesticated sunflower north of Mexico have been found in Tennessee and date to around 2300 BC.

How do sunflowers produce gas?

sunflowers fart producing a methane gas called methane gas. it is a smell anti toxian that could kill u

What plant family does a sunflower belong to?

Sunflower belongs to the family Asteraceae (Compositae).

What is a description of a sunflower?

The sunflower (Helianthus annuus) is an annual, summer flowering plant categorized as a dicot. Not only is it a beloved ornamental, but the seeds have a multitude of uses, primarily as a food source, but also in paper production and other manufacturing products. The large-faced blossom is equated with the sun, which has made it a favorite worldwide in religious and secular groups. It is the flower of choice for such people as Vincent Van Gogh, Michael Jackson and mathematicians studying the floret arrangement of the seed head.
The sunflower (Helianthus annuus) is an annual, summer flowering plant categorized as a dicot. Not only is it a beloved ornamental, but the seeds have a multitude of uses, primarily as a food source, but also in paper production and other manufacturing products. The large-faced blossom is equated with the sun, which has made it a favorite worldwide in religious and secular groups. It is the flower of choice for such people as Vincent Van Gogh, Michael Jackson and mathematicians studying the floret arrangement of the seed head.

Are sunflower seed hulls edible?

The seed (or achene) of the sunflower is really a fruit. The hulls are not generally considered edible. Even birds cast them off!

In addition tolinoleic acid (an essential fatty acid), sunflower seeds are also an excellent source of dietary fiber, protein,Vitamin E,B Vitamins, and minerals such as potassium, magnesium, iron,phosphorus, selenium, calciumand zinc. Additionally, they are rich in cholesterol-loweringphytosterols. Sunflower seeds also contain one gram or less of sugar per serving. For nutritional value seehttp://www.sunflowerguide.com/sunflower-seeds.html

Does sunflowers have to compete with other plants to survive?

they play tug of war with eachothers stems , sometimes they lie so they grow.

Can sunflowers harm cats if eaten?

Cats can eat sunflower seeds, but only in very small doses.

Why are sunflowers called sunflowers?

The "annuus" part of the name comes from the fact that the common sunflower, unlike other related species, is an annual plant and not a perennial. The genus "Helianthus" comes from the the Greek word "Helios", or sun, and the Latin word "anthos", meaning "flower."

What is a good fertilizer for growing sunflowers?

The best fertilizer to use on sunflowers is synthetic liquid fertilizer. This grows the sunflowers the highest. Monty's fertilizer works very well. Although, sunflowers really grow the best with no fertilizer and just a good seed-starting soil.

What are some foods made from sunflower seeds?

you can make projects like

draw out a banner

and paint on it!

and then put sunflower seeds on it!

and u can get a big sized picture of either a butterfly or a fish

and u can fill it with sunflower seeds

however if u do not wanna use the same old color of the sunflower seeds

then u can paint it!

Do sunflowers have pistils?

All of the petals of a flower are called a corolla. The calyx, made up of sepals, is located beneath (behind) the corolla. The sunflower is one of those plants that has a flower head. The inner florets have very reduced (small) petals. They will form the fruits/seeds. The outer florets (ray or petal bearing florets) can be yellow, red, orange or a combination of those colors.

What is the length of a sunflower seed?

There are different varieties of sunflowers (Helianthus annuus) and each has its own particular seed. The black oil sunflower seed is small - maybe a little smaller than the nail on your pinky finger, and thin. You wouldn't think something so small could be so powerful in the products it can make. The mammoth sunflower seed is big, striped, and fat. It can be almost as big as the nail on your thumb.

What US state grows the most sunflowers?

I live in South Dakota, and they grow them out here. I watched a farm show, and I think they were growing a lot of them in North Dakota, too. Of course, they grow lots of sunflowers in Kansas. Main crops in these places are corn, soy, and wheat. Sunflowers are a profitable crop so farmers rotate them in with their main crops. I think they grow a few sunflowers in a whole lot of states, but they are mostly out on the Plains.

Can sunflowers be grown in Kentucky for profit?

Yes. Sunflowers can be cultivated and harvested for a variety of purposes for a decent profit in large quantities. They are used for birdseed, sunflower oil, and some snack foods. Remnants from oil production can also be used as cattle feed.

How do sunflowers pollinate?

Sunflowers reproduce by large seeds that form in the center of their flowerhead.