PLANT PROFILE:
Zone:  4  Biennial
Height:  1.5-2 m (5-6+ft)
Spread:  1 m (3ft 3in)
Bloom:  Late summer; purple thistle
Foliage:  Silver-white-green colours follow veining, spiny and hairy
Light:  Full sun-part shade (but, really, Full Sun!)
Water:  Little or none here
Soil:  Average to poor; well-drained
Garden location:  Bold accent plant for dry border; base of plant is sparse in late summer (easily hidden by placement in mid- or back of border); plant is very striking against a dark background.