How Does Your Cosmos Grow?

Gardeners, Plant and Nature lovers can join in every Sunday; visit As the Garden Grows for more information.

Miss Sarah, thy plants self-sow,
How doth thy Cosmos grow?
Why, five feet tall
Like my Sunflowers all.
Ok, poetry never was my best subject in school, and I am ripping off a nursery rhyme. My cosmos is about five feet tall, though. Just like my sunflowers.
Happy GTS!