When using supporting flowers, consider their size and shape in relation to the focals and how the colour supports and enhances them.

Round the broken top of the tower the ivy bushed out, old and handsome.

2012-01, Robert L. Dorit, “Rereading Darwin”, in American Scientist, volume 100, number 1, page 23:

In recent years the Aggressor Homeland has been modifying its logistical organization and procedures in an effort to meet the requirements of mobile and fast-moving forces in modern warfare. (Handbook on Aggressor: Field Manual, United States Department of the Army, June 1973)