Color of flowers

• Blue (5)
• Multi-colored (2)
• Orange (1)
• Red (10)
• Rose (7)
• Violet (5)
• White (24)
• Yellow (21)

Flowering period

• Constantly blooming (5)
• Summer (5)

Location

• Everywhere (2)
• Full sun (2)
• Sunny (6)

Growth

• Perennial (2)
• Shrub (4)
• Small shrub (1)
• Tree (1)
• Tree or shrub (2)

Minimum temperature

• (1)
• -5 °C (10)
• -10 °C (4)
• -15 °C (9)
• -20 °C (4)
• 0 °C (51)
• 3 °C (2)
• 5 °C (11)

winter temperature

• 5 (+/- 5) °C (1)
• 8 (±5)°C (6)
• 10 (+/- 5) °C (3)

Hardiness Zones

• 7 (1)
• 8 (1)
• 9 (8)

Fragrance

• Fragrant leaves (1)

Categories

• Habit (1)
• Temperature (2)