Gardening tips for autumn planting and hydrangea care

Proper care for hydrangeas and newly planted perennials during autumn is essential to ensure survival through winter. For hydrangeas, specifically Hydrangea macrophylla, avoid heavy pruning in late autumn, as these plants typically form flower buds on old wood. Pruning too early can remove next season's blooms. In contrast, Hydrangea paniculata and Hydrangea arborescens bloom on new shoots and can be pruned more aggressively in late winter or early spring.

To protect hydrangea roots from frost, applying a 10 to 15 centimeter layer of mulch, such as straw or bark, is recommended, though it should not be placed directly against the stems. For perennials planted in autumn, deep watering is crucial to encourage root growth before the ground freezes. While watering frequency may decrease compared to summer, it is important to maintain soil moisture until the ground is fully frozen to prevent root damage.