I am trying to grow Helianthus in my garden!  Have you ever grown them?
Yes I love them, I grow several types of sunflowers, I am an expert when it comes to them, anything you want to know about them? 
How long does it take for them to grow to full height?
Well I grow a special sunflower called "H. annuus", and it takes about 2 years if I'm not mistaken. 
Wow!  That is a long time!  can you eat their seeds?
Yes you can and If the husk is solid black color, the seeds are called black oil sunflower seeds. They are delicious when salted. 
Makes me hungry thinking about it.  What type of environment is best to grow them in?
Well the most primary places to grow them are industrial forests and pine plantations in Alabama, Georgia, and Tennessee. but you can grow them in other places, It just requires extra care. 
Can I grow them well in Florida?
Act. The primary threats are industrial forestry and pine plantations in Alabama, Georgia, and Tennessee. They grow to and are primarily found in woodlands, adjacent to creeks and moist, prairie-like areas.
Description.
Description Origin.
The species originates in the Americas. It was first domesticated in what is now Mexico and the Southern United States. Native American peoples grew sunflowers as a crop from Mexico to Southern Canada. The species was later brought back from America by European explorers from the 16th century.
decades. In a 2001 interview she stated: "My opinion is what it is... mine. Take it or leave it. Respect it or not. I will always have my own opinions and I am never be afraid to voice them. I don't want to revolutionize anything but myself. The more I learn, the more I change and the more I grow. I would rather be responsible for helping to open doors for women rather than closing them".
Furthermore, of the song "Beauty Fiend"