Davis' Knotweed (Polygonum Davisiae) - Growing Guide | Neighborbrite

Davis' Knotweed (Polygonum Davisiae) - Perennials

Grow conditions

Sunlight

Full sun to partial shade

Hardiness zone

5-8

Min. Temperature

−20°F (−29°C)

Soil type

Clay, Loam, Sandy, Well drained, Moist

Soil pH

Acidic, Neutral, Alkaline

Davis' Knotweed

Polygonum Davisiae

Grow conditions

Sunlight: Full sun to partial shade
Hardiness zone: 5-8
Min. Temperature: −20°F (−29°C)
Soil type: Clay, Loam, Sandy, Well drained, Moist
Soil pH: Acidic, Neutral, Alkaline

Plant traits

Mature height12 in-36 in

Mature spread12 in-36 in

Plant typePerennials

Bloom seasonSummer

Foliage typeDeciduous

Tolerance & safety

Drought tolerant✅Yes

Fire tolerant⚖️Moderate

Pet safe—Unknown

Deer resistant❌No

Pollinator-friendly—Unknown

Davis' Knotweed (Polygonum Davisiae) - Perennials

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Davis' Knotweed (Polygonum Davisiae) - Perennials

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