Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Polygonaceae

Genus:

Polygonum

Species:

Polygonum americanum

USDA Symbol:

POAM3

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Subshrub

Height:

200 cm

Light Requirements:

Full Sun

Drought Tolerance:

Low

Bloom Months:

jul,aug,sep,oct

Bloom Colors:

white, pink, green

Garden & Ecology Notes

Wildlife Value:

birds, waterfowl

Soil Requirements

Soil Type:

moist, fertile, well-drained loam

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

tolerates poor drainage

Moisture:

consistently moist

Notes:

commonly found in wetlands and along stream banks

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds germinate readily after cold stratification; light may improve germination rates.

The above propagation data sourced from Claude AI