Dirksen was also legendary for his fondness for the common marigold.
From the en.wikipedia.org
Another marigold relative is a common winter bloomer, but an unusual herb.
From the sacbee.com
This accounts for calendula's common name, pot marigold.
From the kentucky.com
The other plant species include the yellow flag iris, marsh marigold, and the common reed.
From the sciencedaily.com
Botrytis gray mold is the most common disease of greenhouse floral crops such as begonia, carnation, chrysanthemum, cyclamen, geranium, impatiens, petunia and marigold.