Great Fern
Diplazium expansum
- Native to:
- Bolivia, Colombia, Costa Rica, Cuba, Guatemala, Guyana, Haiti, Honduras, Jamaica, Mexico, Nicaragua, Peru, Puerto Rico, United States, Windward Is.
iNaturalist: © botanils (iNaturalist #159145745)
Taxonomy
- Division:
- Pteridophyta | - Ferns
- Family:
- Aspleniaceae
- Genus:
- Diplazium
- Species:
- Diplazium expansum
- USDA Symbol:
- DIEX3
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 100 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Low
Garden & Ecology Notes
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- thrives in shaded forest understories
Propagation & Germination
- Notes:
- Fern reproduces via spores; spore germination requires consistently moist, shaded conditions and can take weeks to months.
The above propagation data sourced from Claude AI