Marigolds -- no
Four O'Clocks -- no
That's right! Zinnias! Most popular worldwide! They originate from Mexico and South Texas.
Photo Credit: Linda Langelo, CSU, Golden Plains Extension
Zinnias are great for cut flowers, color and they just fill in and cover those open bare spots when you don't know what to plant. A zinnia will do.
-- Magellan grows 14 inches tall and are great for using as a cut flower.
-- Creeping or spreading types
-- low water requirements and grows to 8-12 inches tall. Resistant to powdery mildew & leaf spot.
-- a cross between Zinnia elegans and Zinnia angustifolia
--12 inches high and 15 inches spread
--a cross between Zinnia elegans and Zinnia angustifolia
--compact with bright colors