Paeonia rockii is well-known for its cold resistance and is known as“Snow peony”. In its native Gansu province and other places, it can survive the cold winter at minus 20 degrees Celsius. However, it is still necessary to do a good job of winter maintenance according to local conditions when planting in different regions.
1. Ground-grown Paeonia rockii
• cold regions in the north (above -20 °C)
Paeonia rockii can overwinter naturally and safely without additional protection.
• Extreme cold regions (below -25 °C)
It is recommended that the base of the plant earthing 10-15 cm, and covered with straw, pine needles or defoliation to prevent freezing injury.
• Newly planted seedlings
Root system is not developed, the best cover straw or film insulation, improve survival rate.
2. Potted Paeonia rockii
• move to the leeward side of the building, away from the cold wind.
• When the temperature is too low, the pots may be buried in the soil together with the plants, or the pots may be covered with insulation.
• avoid freezing the basin soil completely to avoid root damage.
3. Pre-winter management tips
· Freezing Water: watering once before winter to help root system reserve water before soil freezing.
• Pruning: remove dead branches and leaves before winter to reduce pests and diseases.
• Mulch Management: remove mulch immediately after spring temperature rises to prevent root clogs.
4. Conclusion
Paeonia rockii itself is extremely cold-resistant, and in most areas there is no need to be overly concerned.
Adult plants: basically overwintering naturally
Seedlings and extremely cold regions: moderate insulation is safer
As long as you master these methods, you will be able to let your purple peony in the cold winter to accumulate strength, the next spring blossoms out amazing flowers!
