Growth Habit: intermediate (5 x 5 feet)
USDA Zone: 6a
Exposure: filtered to full sun
Growing Conditions: evenly moist, well drained acidic soils
Parentage: (ponticum hybrid)
Color Category: purple
Bloom Time: May
Comments: Brilliant, violet-blue flowers with a dark eye form numerous trusses on a large growing plant. Sold for many years as 'Old Port', which, as it turns out, was not correctly named in the first place.