Greenstem Forsythia
Forsythia viridissima
- Native to:
- China, Korea
E. Knoblauch?






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Oleaceae
- Genus:
- Forsythia
- Species:
- Forsythia viridissima
- USDA Symbol:
- FOVI
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub
- Height:
- 300 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- mar,apr
- Bloom Colors:
- yellow
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Cecropia moth (Hyalophora cecropia)
Garden & Ecology Notes
- Wildlife Value:
- birds
- Deer Resistant:
- Yes
- Fall Color:
- yellow-green
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to rocky hillsides and open woods
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate best with cold stratification. Fresh seed may germinate without treatment.
The above propagation data sourced from Claude AI