Zone:  2-7 (native to Siberia)
Height:  60-90cm [2-3ft]
Width:  30-60cm [1-2ft]
Foliage: Deciduous (plant dies to ground); dark green, large, incised
Flower:  Early spring, purple thistle like at the top of multiple stems
Light:  Full sun
Moisture: Average
Soil:  Rich, well-drained
Garden location:  Vegetable garden (if you wish to dig the roots for medicinal use); borders