Enormous Decorative Leaves
Produces impressive, deeply veined green foliage that creates a bold tropical appearance in suitable gardens.
Estimated Delivery:Nov 22 - Nov 26
Free Shipping on All Orders
Gunnera, commonly known as giant rhubarb, is a distinctive ornamental perennial recognized for its enormous, deeply lobed green leaves and impressive architectural appearance. This unusual foliage plant is popular for suitable large gardens, pond margins, and moisture-rich landscape settings. Gunnera varieties prefer consistently moist soil and can develop into striking garden specimens when provided with appropriate growing conditions. Growing Gunnera from seeds offers an opportunity to cultivate this remarkable plant.
Produces impressive, deeply veined green foliage that creates a bold tropical appearance in suitable gardens.
Develops a dramatic architectural form that makes Gunnera an eye-catching landscape plant.
Prefers consistently moist, fertile soil and can grow well near suitable water garden environments.
Mature plants produce distinctive flower clusters that add additional ornamental interest.
| Scientific Name | Gunnera spp. |
| Common Name | Gunnera; Giant Rhubarb |
| Plant Family | Gunneraceae |
| Seed Type | Ornamental Perennial Plant Seeds |
| Plant Type | Herbaceous Perennial |
| Growth Habit | Large clumping or spreading perennial, depending on species |
| Foliage Color | Green |
| Flower Color | Greenish, reddish, or other species-dependent shades |
| USDA Hardiness Zones | Varies by species and local growing conditions |
| Planting Season | Spring or suitable warm growing periods |
| Seed Starting | Surface sow or lightly cover with fine growing medium |
| Germination Time | Approximately 2–12 weeks, depending on species and conditions |
| Germination Temperature | Approximately 68–77°F (20–25°C) for general seed starting |
| Sunlight | Full sun to partial shade, with adequate soil moisture |
| Soil Requirements | Fertile, humus-rich, moisture-retentive soil |
| Watering | Regular watering to maintain consistent moisture |
| Growth Rate | Varies by species and growing environment |
| Mature Plant Size | Depends on species; some varieties develop very large leaves |
| Plant Spacing | Based on species and expected mature spread |
| Growing Location | Suitable large gardens and moist landscape areas |
Gunnera Seeds offer an opportunity to grow one of the most distinctive ornamental foliage plants. With impressive green leaves, unusual flower clusters, and a bold landscape appearance, Gunnera can create a striking focal point in suitable moisture-rich gardens. Provide fertile soil, consistent moisture, and appropriate sunlight to support healthy plant development.
Discover helpful information about Gunnera seed germination, giant leaf development, and growing requirements.
Sow Gunnera seeds on the surface of a fine, moist growing medium and gently press them into place. Provide suitable warmth, humidity, and light. Germination may take several weeks and can be irregular depending on the species. Fresh seeds and consistent growing conditions can improve germination success.
Gunnera plant size depends on the species and growing conditions. Some giant varieties can develop enormous leaves and spread several meters across, while smaller species remain compact. Adequate moisture, fertile soil, and sufficient growing space help support their natural development.
Gunnera generally prefers consistently moist soil rather than being completely submerged underwater. Many species grow well near pond margins and in moisture-rich garden areas. Provide fertile soil with suitable drainage and maintain regular moisture for healthy root and leaf development.