Geranium macrorrhizum, bigroot geranium

bigroot geranium
Geranium macrorrhizum

Hardiness: Zones 4 to 8
Plant type: Herbaceous perennial
Height: 1- 1.5'
Spread: 1- 2'
Sun: Full sun to part shade
Water: Dry to medium
Bloom time: May to July
Bloom color: Purple pink
Soil: Clay-based, moist, organically rich soils, loamy, average well-draining soils, sandy, well-draining soils, neutral (≈7), acid (<7pH).

Notes: Leaves are strongly aromatic when crushed.

More information on this plant here.