Color of flowers

• Violet (2)
• White (3)
• Yellow (4)

Flowering period

• Constantly blooming (1)
• Spring (1)

Growth

• Perennial (1)
• Small shrub (1)

Minimum temperature

• -5 °C (1)
• -20 °C (1)

winter temperature

• 5 (+/- 5) °C (1)
• 10 (±10)°C (1)

Hardiness Zones

• 6 (1)
• 8 (1)

Fragrance

• Fragrant flowers (1)
• Fragrant leaves (2)

Categories

• Site (1)