HARDY PERENNIALS: POTERIUM

P. obtusum, this a another easy plant, for sunny positions and any soil. The roots are tough and spread slowly, and the stems, up to 2x/2 feet rise up to carry obtusely angled fluffy pink pokers, from June to August, and the leaves are fingered, glaucous of hue. There is a white form, and a taller white one, autumn flowering, in P. canadensis. P. sitchense (syn, Sanguisorba rubra) is more showy, producing lofty branching spikes of rosy red in the June-August period to 4-5 feet. This has a good habit, making large but compact plants and as with other species they can, with considerable effort, be divided in spring.

POTERIUM oblusum

POTERIUM oblusum

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