Before the first frost, mulch around the base of perennial flowers to insulate roots. Cover delicate plants with burlap or frost cloth to shield them from harsh winter conditions.
Trim back dead foliage and spent blooms to prevent disease and promote healthy growth in the spring. Water plants adequately before the ground freezes to keep them hydrated during dormancy.
For extra protection, consider using plant covers or creating a simple frame to drape frost cloth over taller plants. Avoid using plastic directly on plants as it can cause moisture buildup and damage.
In regions with severe winters, consider planting more cold-hardy perennial varieties. Grouping plants together can create a microclimate that offers better protection against freezing temperatures and harsh winds.
Regularly check on your perennial flowers throughout the winter to ensure they are not suffering from frost heaving or other issues. Remove any heavy snow buildup to prevent damage to the plants.
By taking these steps to protect your perennial flowers in winter, you can help ensure they survive the cold season and thrive when spring arrives. Remember to adjust your protection methods based on your specific climate and plant varieties.