Growing guide

How to grow gunnera

Grown for its spectacular, large architectural leaves, gunneras can make an excellent focal point along the margin of a large pond or add tropical-looking foliage to any garden. It is fairly easy to grow as long as the soil doesn't dry out in summer and the plants are given winter protection in-situ.

Quick facts

  • Largest gunneras have foliage up to 2m (6⅔ft) across and 2.4m (8ft) tall
  • Thrives in wet or permanently damp soil
  • Likes a sunny, sheltered position
  • Deciduous perennial, dying back to the ground in winter
  • Crowns need protecting from frost overwinter
  • New plants bought or obtained by division and seed

All you need to know

Before you get started
Ongoing care
Pruning and training
While we think all this information will be helpful to you, we always recommend to read the instruction labels on your plants.

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.