American Bellflower
Campanulastrum americanum
- Native to:
- Canada, United States, Virgin Islands
iNaturalist: © adamson (iNaturalist #171022166)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Campanulaceae
- Genus:
- Campanulastrum
- Species:
- Campanulastrum americanum
- USDA Symbol:
- CAAM18
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 150 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- blue, violet
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★★☆☆☆ Documented Lepidoptera association (GBIF)
Reported Fauna Sightings
Bees: Brown-belted bumble (Bombus griseocollis), Common eastern (Bombus impatiens), Two-spotted Longhorn (Melissodes bimaculatus)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- good drainage preferred
- Moisture:
- consistently moist
- Notes:
- prefers forest understory conditions
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–90 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds require cold stratification for 60-90 days; sow in fall or cold treat before spring sowing.
Pre-treatment: None required
Source: npn.rngr.net
Where to Buy
Nationwide Seller
- Pizzo Native Plant Nursery (wholesale nursery)
- Native Plants Nursery (nursery)
- Prairie Moon Nursery (nursery and seeds)
- Wild Seed Project (seeds)