Tall Blue Lettuce
Lactuca biennis
Erik Erbes https://www.inaturalist.org/people/erikoid
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Lactuca
- Species:
- Lactuca biennis
Growth Characteristics
- Life Cycle:
- Annual | Biennial
- Growth Habit:
- Forb/herb
- Height:
- 8-12 ft
- Light Requirements:
- Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- jul, aug, sep, oct
- Bloom Colors:
- White, Blue
Host Plant for Caterpillars
Cucullia lucifuga, Intermediate Hooded Owlet (Cucullia intermedia), Phaneta ornatula, Thyraylia bunteana
Reported Fauna Sightings
Bees: American bumble bee (Bombus pensylvanicus), American bumble bee (Bombus pensylvanicus), Two-form bumble bee (Bombus bifarius), Two-form bumble bee (Bombus bifarius)
Soil Requirements
- Soil Type:
- moist, rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- good drainage preferred
- Moisture:
- consistently moist
- Notes:
- commonly found in forested areas
Germination Information
Pre-treatment: Single-step cold-moist stratification for temperate woodland species. for 60–120 days
Notes: Seeds require light for germination; do not cover.
Source: OpenAI GPT-4o