Zone: 6a-7 Perennial (short-lived?) Protect in winter with spruce boughs and hope for deep snow!
Growth:  150cm [5ft] tall x 50cm [20in] wide
Foliage:  Herbaceous; dark green; forms rosette first year, which remains over winter (good to protect with conifer boughs)
Flower:  Large, flared open bells lavender-blue; tall flowering stems may require staking
Light:  Part sun to part shade; prefers early morning sun and dappled shade in hotter part of the day, so eastern exposure is good.
Moisture: Average; best at ground level (overhead watering can cause fungal problems).
Soil:  Average, rocky or gritty, well drained
Garden location:  Back of border; edges of woodlands