Longflower Beeblossom
Oenothera filiformis
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Onagraceae
- Genus:
- Oenothera
- Species:
- Oenothera filiformis
Growth Characteristics
- Life Cycle:
- Annual | Biennial | Perennial
- Growth Habit:
- Forb/herb
- Height:
- 12-20 ft
- Bloom Months:
- jul, aug, sep
- Bloom Colors:
- White
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)
- Bee Keystone:
- ★★★☆☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)
Host Plant for Caterpillars
Gaura Flower Moth (Schinia gaurae), Juanita sphinx moth (Proserpinus juanita), Pride of Ohio sphinx (Proserpinus gaurae)
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- Prefers open, sunny habitats with minimal competition
Germination Information
Pre-treatment: Single-step cold-moist stratification for temperate woodland species. for 60–120 days
Notes: Seeds germinate readily without pretreatment.
Source: OpenAI GPT-4o