Color of flowers

• Blue (1)
• Red (1)
• Rosa, Purpur, Lavendel (1)
• White (1)
• Yellow (3)

Flowering period

• Spring (1)
• Summer (2)

Location

• Everywhere (1)
• Full sun (1)
• Sunny (1)

Growth

• Small shrub (1)
• Tree (2)

Minimum temperature

• -5 °C (1)
• -10 °C (6)
• -15 °C (1)
• -20 °C (2)
• 0 °C (17)
• 3 °C (2)
• 5 °C (13)

winter temperature

• 8 (±5)°C (1)
• 15 (+/- 5) °C (1)
• 20 (+/- 5) °C (1)

Hardiness Zones

• 8 (1)
• 10 (2)