Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Polygonaceae

Genus:

Reynoutria

Species:

Reynoutria sachalinensis

USDA Symbol:

POSA4

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

400 cm

Light Requirements:

Full Sun

Drought Tolerance:

Low

Bloom Months:

aug,sep

Bloom Colors:

white, greenish-white

Garden & Ecology Notes

Salt Tolerant:

Yes

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

5.5 - 7.5 (slightly acidic to neutral)

Drainage:

tolerates poor drainage

Moisture:

consistently moist

Notes:

native to riverbanks and moist areas

Propagation & Germination

Stratification:

Cold/moist stratification required — 60–90 days

Germination Time:

14–30 days

Notes:

Seeds germinate readily after cold stratification; can also be propagated by rhizome fragments.