Water Howellia
Howellia aquatilis
- Native to:
- United States
iNaturalist: © mattunitis (iNaturalist #125389494)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Campanulaceae
- Genus:
- Howellia
- Species:
- Howellia aquatilis
- USDA Symbol:
- HOAQ
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug
- Bloom Colors:
- white
Soil Requirements
- Soil Type:
- rich, organic, moisture-retentive soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- prefers shallow, ephemeral wetlands
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 on moist soil surface and keep saturated.
Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.
Source: Claude AI