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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

How tall is a sunflower after a week of growing?

After a week of growing, a sunflower typically reaches a height of about 6 to 12 inches, depending on the variety and growing conditions. Factors such as sunlight, soil quality, and water availability can influence its growth rate. As the sunflower continues to grow, it may eventually reach heights of several feet. Regular care and optimal conditions will support its development.

Where is the embryo in a sunflower seed?

In a sunflower seed, the embryo is located within the seed's kernel, specifically at one end of the seed. It is surrounded by the seed's nutrient-rich endosperm, which provides energy for the embryo as it begins to grow. The outer seed coat protects the embryo and the endosperm until conditions are favorable for germination.

How do you make sunflower in little alchamy?

In Little Alchemy, you can create a sunflower by combining the elements of "plant" and "yellow." First, make a "plant" by combining "earth" and "water." Then, mix the "plant" with "yellow" to produce a sunflower. Enjoy experimenting with different combinations in the game!

What genus does the sunflower belong?

The sunflower belongs to the genus Helianthus. This genus includes various species, with Helianthus annuus being the most well-known as the common sunflower. Sunflowers are recognized for their large, bright yellow flowers and are often associated with their ability to turn towards the sun. They are widely cultivated for their seeds and oil.

Is sunflower a day neutral plant?

Sunflowers are not classified as day-neutral plants; they are generally considered to be photoperiod-sensitive. They typically require long days to flower, thriving in environments with ample sunlight. However, some varieties have been bred to flower under a range of day lengths. Overall, the traditional sunflower (Helianthus annuus) tends to prefer longer daylight hours for optimal growth and blooming.

Why is your sunflower closing?

Sunflowers typically close their blooms at night or during cloudy weather to protect the delicate petals from damage and conserve moisture. This behavior, known as "nyctinasty," helps them prepare for the next day's sunlight, allowing for optimal photosynthesis. Additionally, closing can help reduce water loss and shield the flower from potential cold temperatures. Once the sun rises, the sunflower will reopen to follow the sun's movement throughout the day.

What is the sowing season of sunflower?

The sowing season for sunflowers typically occurs in late spring, when the soil temperature reaches around 70°F (21°C). Depending on the region, this can range from late April to early June. Sunflowers thrive in warm weather, so planting during this optimal period ensures better growth and yields. In some areas, a second planting may occur in late summer for a fall harvest.

What month can you get sunflowers in Shiloh GA?

In Shiloh, GA, sunflowers typically bloom during the summer months, with peak availability often occurring in July and August. If you're looking to see or purchase sunflowers, these months are your best bet. Local farms may also have specific growing seasons, so checking with them can provide more precise timing.

William Blake poem Two sunflowers move in the yellow room Published?

William Blake's poem "Two Sunflowers Move in the Yellow Room" explores themes of love, connection, and the interplay between nature and human emotion. The sunflowers symbolize the duality of existence, representing both individuality and unity. The vibrant imagery and playful tone convey a sense of joy and vitality, while also hinting at deeper existential reflections. Overall, the poem captures the beauty of relationships and the harmony found within them.

What is the mixture between a lily and a sunflower?

A mixture between a lily and a sunflower would not occur naturally, as they belong to different plant families with distinct characteristics. However, in a conceptual or artistic sense, one could imagine a hybrid flower that combines the elegant, trumpet-shaped petals of a lily with the bright, large, and cheerful head of a sunflower. Such a creation could symbolize the beauty of both flowers, blending the softness of lilies with the boldness of sunflowers. In reality, hybridization between these two species is not biologically feasible.

What south American country exports large amounts of sunflowers and beef?

Argentina is the South American country known for exporting large amounts of sunflowers and beef. The country has a significant agricultural sector, with sunflower oil being one of its key exports, alongside its renowned beef production, which is highly regarded worldwide. These exports contribute significantly to Argentina's economy and agricultural reputation.

How many black oil sunflower seeds are in a pound?

The number of black oil sunflower seeds in a pound can vary based on seed size, but on average, there are approximately 2,500 to 3,000 seeds per pound. Black oil sunflower seeds are smaller and denser than other types, which contributes to this higher seed count. For precise measurements, it's best to check the specific seed variety and size from the supplier.

Is adding sunflower seeds to bread dough harmful?

Adding sunflower seeds to bread dough is generally not harmful and can actually enhance the bread's nutritional profile by providing healthy fats, protein, and vitamins. However, it's important to consider the texture and hydration of the dough, as seeds can absorb moisture. Additionally, some individuals may have allergies to seeds, so it's best to ensure that those consuming the bread are not allergic. Overall, sunflower seeds can be a nutritious and tasty addition to bread.

What are the optimum growth conditions for a sunflower?

Sunflowers thrive in full sun, requiring at least 6 to 8 hours of direct sunlight daily. They prefer well-drained, loamy soil with a pH between 6.0 and 7.5, and benefit from moderate watering, especially during dry spells. Adequate spacing is also important to allow for air circulation and prevent disease. Fertilizing with a balanced fertilizer can enhance growth and flower production.

What does the painting 12 sunflowers in a vase by Vincent van gogh look like?

"12 Sunflowers in a Vase" by Vincent van Gogh features a vibrant arrangement of yellow sunflowers set against a simple, muted background. The flowers are depicted in various stages of bloom, showcasing their textures and rich hues. The vase is painted in earthy tones, adding warmth to the composition. Overall, the painting exudes a sense of vitality and cheerfulness, characteristic of Van Gogh's expressive style.

What are the 7 processes of a sunflower?

The seven processes of a sunflower include germination, growth, photosynthesis, reproduction, pollination, seed development, and seed dispersal. Germination begins when a seed absorbs water and begins to sprout. As the plant grows, it utilizes photosynthesis to convert sunlight into energy. Finally, the sunflower undergoes reproduction through pollination, leading to seed development and eventual seed dispersal for propagation.

What is cross germinate?

Cross germination refers to the process where seeds from different plant species or varieties are allowed to germinate together, often to study their interactions or hybridization potential. This practice can help scientists understand genetic diversity, adaptability, and the ecological relationships between species. It is commonly used in agricultural research and plant breeding to develop new varieties with desirable traits.

Where do sunflowers get there name from?

Sunflowers get their name from their ability to turn their heads to follow the sun throughout the day, a phenomenon known as heliotropism. The scientific name, Helianthus annuus, comes from the Greek words "helios," meaning sun, and "anthos," meaning flower. This characteristic behavior, along with their bright yellow petals resembling the sun, contributed to their name.

Can baby bird fledglings eat sunflower seeds without the shell?

Yes, baby bird fledglings can eat sunflower seeds without the shell, as the shelled seeds provide a nutritious source of protein and healthy fats. However, it's essential to ensure that the seeds are unsalted and fresh. Additionally, fledglings may require a varied diet, so it's best to offer them other foods alongside sunflower seeds to meet their nutritional needs. Always consult a wildlife rehabilitator or avian expert for specific dietary recommendations.

Do sunflowers have phloem and xylem tubes?

Yes, sunflowers have both phloem and xylem tubes, which are essential components of their vascular system. Xylem transports water and minerals from the roots to the leaves and other parts of the plant, while phloem carries nutrients, particularly sugars produced through photosynthesis, throughout the plant. This vascular system allows sunflowers to efficiently manage water and nutrient distribution, supporting their growth and development.

How would you describe a leaf in a crossword?

A leaf can be described in a crossword as "Flattened green part of a plant" or simply "Plant part for photosynthesis." It often has a specific shape and can vary in size, color, and texture. Common clues might include terms like "foliage" or "leafy appendage."

I believe someone said there is only 7 original Sunflowers paintings done by Vincent van Gogh?

I believe there are way more than 7 sunflower paintings by van Gogh. Why? Well in looking through books of Vincent van Gogh, I do count more that that which are at the present time considered to have been painted by him. Whether or not it means anything or not,.... I do have three of his originals oil paintings of sunflowers in my collection that I remember while myself not having to go through all the painting I own of his again. One happens to be an oil on canvas of his sunflowers called the "Munich sunflowers". Of course I would consider my oil painting of them, the Munich Sunflowers, to be his best of the bunch. I also believe them to be the painting that was left in Gauguin's bedroom sitting on the floor leaning up against the concrete wall at the yellow house,... and that was before the house was locked up by the policemen of Arles as a possible crime scene.

With no heat in the house until late March or early April of '89', and with all the rain & flood waters coming next to the yellow house, was the cause of some damage to the edge of the painting which I had restored. This might sound a little absurd to you MFA experts of the Foundation,... but do you think I really care? I'd only guess, Theo his brother and art dealer, due to the damage thought he cut a fat hog when he was able at the time to get what he probably considered a fair price for it. I'd guess just the canvas rolled up in heavy paper or something to preserve it for a later restoration, to be stretched on a new stretcher board and framed. Well my art loving friends,..... I don't believe this job was ever done to it and had just laid around in dark closets its whole life waiting for the New york estate handler and seller to sell it to me. What a buy!

What makes a sunflower special?

Sunflowers are special for their unique ability to track the sun's movement throughout the day, a phenomenon known as heliotropism. Their bright, cheerful yellow petals and large, round faces symbolize positivity and warmth. Additionally, they produce edible seeds that are rich in nutrients and are used to make oil, snacks, and bird feed. Their striking appearance and ecological benefits make them a favorite in gardens and landscapes.

How long sunflower stay on plant?

Sunflowers typically stay on the plant for about 70 to 100 days, depending on the variety and growing conditions. After blooming, the flowers can remain on the plant for several weeks as they mature and produce seeds. Once the seeds are fully developed, the plant will eventually die back, usually in late summer or early fall.

Why sunflower petals close up?

Sunflower petals close up primarily in response to changes in light and temperature. This phenomenon, known as nyctinasty, helps protect the flower during the night and may aid in conserving moisture. By closing, the petals can also shield the reproductive parts from potential damage caused by cold or rain. In the morning, the petals typically open again to attract pollinators.