1.They have such bright faces - sunflowers always cheer me up.
2.The flower heads follow the sun - there are loads of time-lapses on the internet like this one
3.One little tiny seed produces all these new seeds, arranged in a beautiful mathematical formation.
4.They've clearly read the Bible - "John 12:24
5.They bring back memories of when I gave a packet of mixed sunflowers to a friend, tucked in a birthday card. He planted them along the fence in hs front garden, and they were amazing.
6.I like the seeds in my breakfast cereal.
7. Van Gogh, however you like to pronounce his name.
and whichever version you like
8.I remember my father planting sunflowers along his fence too - they spent their life looking down the street to see what was going on, rather than delighting people sitting in his garden!
9.When the leaves first pop up through the soil, they wear the stripy seed covers like little hats, and cling on to them until they are ready to let go.
10.I've never yet managed to grow sunflowers.