Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Polygonaceae

Genus:

Polygonum

Species:

Polygonum cascadense

USDA Symbol:

POCA9

Growth Characteristics

Life Cycle:

Annual

Growth Habit:

Forb/herb

Height:

40 cm

Light Requirements:

Full Sun

Drought Tolerance:

Medium

Bloom Months:

jun,jul,aug

Bloom Colors:

white, pink

Garden & Ecology Notes

Wildlife Value:

birds

Soil Requirements

Soil Type:

rocky, well-drained, nutrient-poor soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to mountainous regions, prefers open, sunny areas

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–90 days

The above propagation data sourced from Claude AI