Heat Tolerance: Not as heat resistant as 'Powis Castle'
Sun Exposure: Sun to part sun
Origin: Japan
Growth Habits: Herbaceous perennial, mound forming, 6 to 18 inches tall (15-45 cm), 12 to 24 inches in spread (30-60 cm); finely textured, feathery, silver leaves
Watering Needs: Little to moderate water, tolerates poor soils; prefers sandy soild, needs good drainage
Propagation: Divide clumps in spring or autumn, easy by cuttings
'Silver Mound' is more compact than the species, 'Nana' is mat forming, up to 4 inches tall (10 cm).
Blooming Habits:
Insignificant short spikes of pale yellow flowers in early autumn
Culture:
Trim the plant short at the end of the growing season.
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