Perennial Plant Association


	PPA Central Region Perennial Symposium The Perennial Plant Association is sponsoring a two-day perennial symposium in Madison, Wisconsin, August 22-23, 2008.... click for details

	Perennial Plant Symposium in Philadelphia The Perennial Plant Association is pleased to announce the lecture and tour schedule for the 26th Perennial Plant Symposium... click for details

	ISU Congress - Gothenburg, Sweden The International Stauden Union (ISU) announced the ISU Congress will be held in Gothenburg, Sweden, August 10-15. This... click for details

	Trade Show - Perennial Plant Symposium Information and applications are available for the Perennial Plant Symposium Trade Show. The trade show will be held at... click for details

HARDINESS	Zones 4-8 In colder areas, a winter mulch is beneficial.
LIGHT	Full sun preferred.
SOIL	Average to dry garden soil. Will withstand drought once established. Dislikes winter wet.
USES	As a specimen, in borders, or massed.
UNIQUE QUALITIES	A wonderful late-spring blooming perennial, 2-2 1/2 feet tall. Rigid spikes of dark blue-black flowers appear over aromatic blue-gray leaves in May and June.
PLANTING INFORMATION	Bare root plantings are most successful in early spring. Potted plants may be planted at any time in the growing season. Plant at the same depth as they wer in the pot. Water well until plants are established.
PROPAGATION	Propagate either by division or vegetative cuttings.