Tall Jointweed

Polygonum tenerum

Native to:
Laos, United States, Vietnam

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Polygonaceae
Genus:
Polygonum
Species:
Polygonum tenerum
USDA Symbol:
POGR10

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb , Subshrub
Height:
60 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug,sep,oct
Bloom Colors:
white, pink, green

Garden & Ecology Notes

Wildlife Value:
birds

Soil Requirements

Soil Type:
moist, well-drained sandy loam
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers open, sunny areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days

The above propagation data sourced from Claude AI