General Culture:
Easily grown in average, dry to medium, well-drained soil in full sun. Tends to spread quickly and lodge easily. Cut back after bloom and divide plants when clumps become overcrowded.
Noteworthy Characteristics:
A massed planting will provide a variety of pastel flower shades, including pink, red, white, yellow, salmon, orange and mauve. Tiny flowers are densely packed in large, flat-topped, terminal flower clusters (corymbs) which are 2 to 3" across. Green leaves are deeply-cut, fern-like and aromatic when crushed. Tolerant of heat and humidity, but flower colors may fade in extended, hot summer weather. Drought tolerant once established. Long summer bloom period may be extended by prompt removal of faded flower heads. 1990 AAS winner.
Problems: Click for detailed list of pests and problems.
Powdery mildew and stem rot are infrequent problems. Does poorly in wet sites or in heavy, poorly drained soils.
Uses:
An excellent perennial for massing in the perennial border, wild garden or meadow.
© Missouri Botanical
Garden, 2001-2009
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