It spreads slowly from rhizomes that need time to get established before winter. The upright stems with woody bases grow to 18 inches. The plant is rated hardy to USDA zone 5 for Front Range Gardens. Leadwort is very shade tolerant, blooming in spots that receive only a couple hours of sunlight daily. It also thrives in full sun.
Plants prosper in average soils and require only occasional watering once established.
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