Plant Encyclopedia

Group/Class:  Tall Bearded

Description:

This beautiful tall iris produces lavender blooms with white falls that are edged in lavender; a stunning addition to the perennial border; also excellent massed in groupings in the garden; will quickly form dense colonies

Ornamental Features

Mary Frances Iris has masses of beautiful lavender flag-like flowers with white falls at the ends of the stems from late spring to early summer, which are most effective when planted in groupings. The flowers are excellent for cutting. Its sword-like leaves remain grayish green in color throughout the season.

Landscape Attributes

Mary Frances Iris is an herbaceous perennial with an upright spreading habit of growth. Its medium texture blends into the garden, but can always be balanced by a couple of finer or coarser plants for an effective composition.

This plant will require occasional maintenance and upkeep, and should be cut back in late fall in preparation for winter. Deer don't particularly care for this plant and will usually leave it alone in favor of tastier treats. Gardeners should be aware of the following characteristic(s) that may warrant special consideration;

• Insects

Mary Frances Iris is recommended for the following landscape applications;

• Mass Planting
• General Garden Use

Planting & Growing

Mary Frances Iris will grow to be about 24 inches tall at maturity extending to 3 feet tall with the flowers, with a spread of 24 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 18 inches apart. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 10 years. As an herbaceous perennial, this plant will usually die back to the crown each winter, and will regrow from the base each spring. Be careful not to disturb the crown in late winter when it may not be readily seen!

This plant does best in full sun to partial shade. It does best in average to evenly moist conditions, but will not tolerate standing water. It is not particular as to soil type or pH. It is somewhat tolerant of urban pollution. This particular variety is an interspecific hybrid. It can be propagated by division; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.