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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

If your giant sunflowers have no heads yet August 3 are they going to produce them at all?

Depending on where you live, it is quite possible they will still produce heads and bloom. Sunflowers can bloom at different times, with mid to late August being most common, but early to mid September still being quite possible if they were planted late and the weather stays nice.

Can sunflowers grow in no light?

No. They can germinate, but will soon die if there is no light.

Do Afghanistan people chew opium seeds like sunflower seeds?

In Afghanistan, opium poppy cultivation is prevalent, and while the seeds of the opium poppy are technically edible, they are not commonly chewed like sunflower seeds. Instead, the cultivation primarily focuses on the production of opium latex for the drug trade. The seeds themselves are often used in cooking or as animal feed, but the practice of chewing them as a snack is not a cultural norm.

What tropich level is the sunflower?

Sunflowers are primary producers and occupy the first trophic level in an ecosystem. They convert sunlight into energy through photosynthesis, serving as a food source for herbivores, such as insects and birds. As plants, they play a crucial role in the energy flow of food chains.

What is a sunflower's life cycle?

Short answer: the sunflower lives during the warmth of late spring, summer and early fall. It dies when the seed head starts to drop seeds, or when the cold of late fall starts to bite.

The sunflower (Helianthus annuus) is a flowering annual dicot. It starts life as a seed. Germination will not begin until the soil temperature is between 55F & 60F, as the plant is sensitive to cold. The young plant will grow vegetatively for 6-8 weeks before a flower appears. Actually, the flowers are where the seed head will form, each floret representing a possible seed. It takes about a month for the seed head to mature and begin to drop its seeds. About the time of seed drop, the plant will start to wither and die. This might be mid summer, or it might not be until the cooling days of autumn.

What does not belong roses sunflowers or cabbage?

cabbage because roses and sunflowers are flowers and cabbage is a vegtable i think i am only 10 ok so dont judge me!

How many sunflower seeds in 10kg?

The reason that sunflower seeds are usually sold by weight and not by count is because sunflower seeds do not have a uniform individual weight. One can only give a rough approximation. For example, assuming a 1 gram packet of American Giant sunflower seeds contains between 12 and 13 seeds on average, then a 10 kilogram packet would have between 120000 and 130000 seeds. Switching to a variety of sunflower seeds with smaller seeds, such as Velvet queen, you might get 30 to 35 seeds in a packet, thus averaging 300000 to 350000 seeds.

When should you plant sunflowers?

may

Some sunflowers take longer than others to mature---plant most when all danger of frost is past or start seed indoors and put plants outdoors in spring. The smaller varieties can be planted as late as July.

Is distilled water the best for sunflowers?

If you have a water distiller it is way much better for your sunflowers than tap water with all those chemicals used in it's treatment.

Where can you buy Paint by numbers of Vincent Van Gogh's Sunflowers?

Check out these websites and others. They have listed for sale a paint-by-numbers kit for Van Gogh's Sunflowers.

  • Amazon.com (11x14 kit)
  • ebay.com (16x20 kit)
  • goodpaintbynumber.com (order number: RH7117)
  • dhgate.com (16x20 kit)
  • aliexpress.com (store number 511224)
  • alibaba.com

Do sunflowers have seeds inside?

erm no ofcourse not! sunflower seeds arent from sunflowers!

Where in Washington state are sunflowers grown?

According to this website - http://davesgarden.com/guides/pf/go/223/ they can grow in Seattle & Spokane.. I have seen them growing in people's yards in Port Angeles. This leads me to believe that they can be grown all over Washington state.

What phylum is a sunflower?

Sunflower is in Phylum: Magnoliophyta

What is the difference between daisy seeds and rose seeds?

There are many differences between daisy and rose seeds. Rose seeds are much smaller than a dime, varying from light to dark brown, and they grow roses. Daisy seeds are oblong thin brown seeds that grow daisy flowers.

How many seeds can be produced from one sunflower head?

Up to 1,000 seeds can be produced from one sunflower head. Some may produce more or less depending on the exact sunflower.

What is the sunflower move?

Owen Murray likes cheese i am Owen Murray age 10 class 6.3 next year 7.2

How do you know when a sunflower is fully grown?

The best way is to test the seeds by taste and appearance. If the inside of the seed looks green or empty then it is not ripe. The seeds ripen from the outside of the head to the center. The petals will be shriveled, the head down-turned and yellow on the back. Sometimes the seeds - especially those in the middle - do not ever fill properly. When ripe, it is easier to rub the seed loose from the head. The seed color usually darkens also.

Can sunflowers grow to over 2 meters?

Certain types of sunflowers can grow around 3 meters. while others can grow much shorter than the 2 meters.

Do sunflower seeds help you lose weight?

Sunflower seeds don't exactly help you lose weight. But they are a good, healthy snack for a weight loss program. They have lots of nutritional benefits. But like any food, you shouldn't overdo it. They're high in fat, but not saturated fat. And eating them throughout the day can be a calorie waster. Eating no more than about 1/4 cup a day should be fine. And salt does not make you gain weight, it only makes you retain water which causes only temporary weight gain. But it is better you eat the unsalted type. People with salt allergies, which many people don't know if they have, can develop high blood pressure from salt.

Why do sunflowers grow on the side of highways?

I have noticed that wheat grows beneath the boughs of roadside trees here in the UK. It must have come from birds eating an ear of corn and spilling half it's contents. The same may well be happening with sunflower seeds below utility poles beside your highways.

Does nyjer seed have a shell like the sunflower seed?

Short answer: Yes, the seed hulls are similar as they are both "asters".

Nyjer and sunflower seeds are popular bird attractors at the winter feeding station. Both seeds have an edible oil, though it is the sunflower that became a production crop in the U.S. Actually "niger" or "nyjer" (Guizotia abyssinica) is a close relative of the sunflower, as they are both from the Asteraceae (Aster) family (nyjer not a thistle -that was a marketing ploy by birdseed producers, believe it or not!). The Aster family has a specialized fruit covering called a "cypsela". If you look at the nyjer seed very closely with a magnifying glass, you can see how similar it is to the sunflower, especially the black oil sunflower seed.