Useful perennial to give some height in the a garden.  We have the above plant in growing in a quite shady spot, and it's doing well without staking. White flowers appear in late June on the end of long flower stems.

Hardy zone 2.

Grows about 24 inches in height, will spread to form a good-sized patch in 2-3 years, somewhat invasive in our experience.

Glen's score:  7.

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