Chilean rhubarb (Gunnera magnifica)
Care, watering, light and tips for Chilean rhubarb on Floravia.
Quick facts
- Family: Gunneraceae
- Difficulty: Demanding
- Watering: every 2 days
- Light: Partial shade
- Temperature: 10–30 °C
About Chilean rhubarb
Gunnera magnifica, also known as Giant Rhubarb or Swamp Leaf, is a colossal perennial plant native to South America, renowned for its enormous lobed leaves that can reach up to 2 meters in diameter. Its prehistoric and dramatic appearance makes it a spectacular focal point in large gardens, particularly near water features or in jungle-style landscapes. It is ideal for creating an impressive visual impact in spacious and humid environments.
Native range
South America, mainly in the Andes Mountains of Chile and Argentina.
Care tips
It requires a location with partial shade or filtered light, as direct sun can scorch its leaves. The soil must be consistently moist, rich in organic matter, and well-drained, mimicking its natural swampy habitat; it should never dry out completely. It thrives with frequent and abundant watering, especially in warm and dry climates. A common mistake is planting it in dry soil or exposing it to full sun, which will severely compromise its growth and health.
How to save a dying Chilean rhubarb
- Warning signs
- Drooping, yellowing leaves or dry edges; soft stems.
- First aid
- Move to partial shade, water thoroughly if soil is dry. Increase humidity.
- What kills it
- Prolonged drought, intense direct sun, lack of humidity. Very sensitive to dehydration.
- Can it be saved?
- Yes, if roots aren't rotted and foliage damage isn't total. Requires quick action.