Giant Rhubarb
Gunnera manicata
- Native to:
- Brazil
Required attribution is: Photo by Tom Oates. The original uploader was Nabokov (en.wikipedia.org) at English Wikipedia (en.wikipedia.org) . (a.k.a. Tom Oates),Amélie Tsaag Valren (www.wikidata.org),Mike Shaw,CEphoto, Uwe Aranas,CEphoto, Uwe Aranas,CEphoto, Uwe Aranas,CEphoto, Uwe Aranas,Agnieszka Kwiecień, Nova,Agnieszka Kwiecień, Nova,Agnieszka Kwiecień, Nova,Agnieszka Kwiecień, Nova,Agnieszka Kwiecień, Nova
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Gunneraceae
- Genus:
- Gunnera
- Species:
- Gunnera manicata
- USDA Symbol:
- GUMA3
Growth Characteristics
- Height:
- 250 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun,jul
- Bloom Colors:
- green, red
Garden & Ecology Notes
- Wildlife Value:
- birds
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rich, moisture-retentive loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Thrives in areas with high rainfall and humidity.
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–60 days
- Notes:
- Seeds require light for germination. Surface sow and keep consistently moist.
The above propagation data sourced from Claude AI