Caring for your Gunnera during autumn involves a few key steps to ensure its health and prepare it for the winter months. Here’s a guide:
1. Reduce Watering
- As the plant enters dormancy, reduce the frequency of watering. The Gunnera prefers moist soil, but it doesn't need as much water in autumn.
2. Cut Back Leaves
- Once the leaves start to die back, you can cut them down to ground level. This helps prevent disease and pests from overwintering in the foliage.
3. Mulch
- Apply a thick layer of organic mulch (like straw or wood chips) around the base of the plant. This will help insulate the roots and retain moisture in the soil.
4. Protect the Crown
- In colder regions, consider covering the crown of the plant with extra mulch or leaves to protect it from frost.
5. Monitor for Pests
- Keep an eye out for any pests such as slugs or snails that may be attracted to the decaying foliage. Remove them as necessary.
6. Soil Care
- If you haven’t already, consider enriching the soil with compost or well-rotted manure in the autumn to prepare it for spring growth.
7. Plan for Spring
- Make a note of any areas where the Gunnera may need more space or attention in the spring, as it can grow quite large.
By following these steps, you can help your Gunnera thrive through the winter and come back strong in the spring!




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