What is sunflowers protective structures?

Who is Wilbur to Fern? Can garlic survive in snow? Are dahlias perennial plants that bloom year after year? How far apart should basil plants be spaced in a garden for optimal growth and development? Why are my fiddle leaf fig leaves yellowing? What kind of leaves does the saguaro cactus have? What are some characteristics of dandelions? Where do the monggo seeds grow faster soil or in the cotton? Is poison ivy a acid nautral or alkaid? What bug pollinates the coco bean? Are cowhorn peppers the same as serono peppers? Why is my oregano flowering? What is the most production country of sprouts? Why is my lemon tree sticky and how can I remedy this issue? Are petunias edible? How do you tell that a lemon from a tree is ripe? How long can a basil plant live and thrive under optimal growing conditions? Should dogwood be planted in direct sun or shade? What is a metaphor comparing flower to something? What body systems work together to fight poison ivy?