Jesuit's Bark
Iva frutescens
- Native to:
- Canada, United States
USDA-NRCS






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Iva
- Species:
- Iva frutescens
- USDA Symbol:
- IVFR
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb , Subshrub
- Height:
- 350 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- aug,sep,oct
- Bloom Colors:
- green
- Landscaping Shrub:
- Yes
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Host Plant for Caterpillars
Aristotelia ivae, Bucculatrix ivella
Garden & Ecology Notes
- Wildlife Value:
- birds, waterfowl
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from root crown following fire or cutting. Common in salt marsh communities that experience occasional burns.
Soil Requirements
- Soil Type:
- sandy, nutrient-poor, well-drained soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- commonly found in coastal marshes and wetlands
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate readily after cold stratification. Fresh seed may germinate without treatment.
The above propagation data sourced from Claude AI