Perennial Plant Association


	Trade Show Opportunity Take time now to reserve your trade... click for details

	2010 Landscape Design Award Application Now Available The 2010 Application and Information Packet is now available. Applications are due February 10,... click for details

	2010 Scholarship Applications Now Available The Perennial Plant Association is proud to offer five scholarships to college students studying horticulture or... click for details

	2010 ISU Plant Conference The International Hardy Plant Union will be hosting the Third International Perennial Plant Conference February 12-14... click for details

	2010 Perennial Plant Symposium Save the date for the 2010 Perennial Plant Symposium. It will be held July 18-24 in Portland, Oregon at the Double Tree... click for details

	2009 Perennial Plant Symposium Video click for details

	Portland Symposium Preview the Portland, Oregon Great Northwest Symposium July 18-24, 2010. Take the opportunity to tour famous gardens... 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.