Twining Screwstem

Bartonia paniculata

Native to:
Canada, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Gentianaceae
Genus:
Bartonia
Species:
Bartonia paniculata
USDA Symbol:
BAPA2

Growth Characteristics

Life Cycle:
Annual | Biennial
Growth Habit:
Forb/herb , Vine
Height:
50 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jul,aug,sep,oct
Bloom Colors:
white, cream

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)

Garden & Ecology Notes

Wildlife Value:
bees, small pollinators
Deer Resistant:
Yes

Soil Requirements

Soil Type:
sandy, acidic, nutrient-poor soil
pH:
4.5 - 6.5 (acidic to slightly acidic)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
commonly found in bogs and wet meadows

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds require light for germination. Surface sow on moist, acidic substrate and maintain consistent moisture.

The above propagation data sourced from Claude AI