Hardiness Zone: 5a - 8b
Hardiness Degree: -20°F (-28.9°C)
Blooming Season: Spring, Late Spring, Summer, Late Summer, Autumn
Plant Habit: Upright
Characteristics: Attracts Bees, Attracts Butterflies, Fragrant Flowers, Frost Tolerant
Water: Medium
Fertilize: Every two weeks
Spacing: 12" (30cm)
Height: 18 - 24" (46 - 61cm)
Width: 10 - 12" (25 - 30cm)
Exposure: Partial Sun, Sun
General Information: Beautiful, vivid flowers top the knee-high plants – a real standout in perennial borders. Reliably overwinters to USDA Zone 5 to assure multi-year performance.