Name me four books with plants or flowers in the title.
I can think only of "The Orchid Thief"

Daisy Miller, Driving Miss Daisy (the play), Flowers for Algernon, Flowers
in the Attic, In the Beauty of the Lillies, The Lillies of the Field, The
Name of the Rose, The Grapes of Wraith (which has the woman's name Rose of
Sharon) followed by A Raisin in the Sun, A Tree Grows in Brooklyn, The Black
Dahlia, Leaves of Grass, The Grass Harp, Splendor in the Grass, The Catcher
in the Rye, Where the Red Fern Grows, Honeysuckle Rose

Women's names: Lily, Rose, Violet, Viola, - there has to be more...

Iris, Pansy, Dahlia, Camellia, Jasmine, Petunia, Myrtle

--
Catbird

"Oh-oh, her schizo is about to phrenia" - Bob Hope