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// SPECIES PROFILE · ANNUAL · NATIVE

Striped knotweed

Polygonum striatulum

Striped knotweed (Polygonum striatulum) is a annual in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 4a–10a.

// QUICK FACTS
Family
—
Group
annual
Native range
Native to LA, NE, OK, TX
USDA hardiness
Zones 4a–10a
Mature size
—
Sun
—
Water
—
Bloom
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Wildlife value
Pollinator and wildlife support
Ecological role
native species profile
Striped knotweed (Polygonum striatulum)
Polygonum striatulum — Striped knotweed. Photo via iNaturalist — no rights reserved.

Field Notes

[ growing · ecology · siting · care ]

Striped knotweed (Polygonum striatulum) is a annual in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 4a–10a.

Why it's on this list: native species profile. Native-range data from the Lady Bird Johnson Wildflower Center (NPIN), cross-checked against iNaturalist observations. Part of Rooted Revival's regional native plant catalog — true natives for Oklahoma, Arkansas, Missouri and Kansas.

Companion Planting

[ guild · polyculture · cross-layer pairings ]

In the same native range, striped knotweed pairs naturally with: Black-Eyed Susan (Rudbeckia hirta), Common Sunflower (Helianthus annuus), Indian Blanket (Gaillardia pulchella), Lemon Beebalm (Monarda citriodora).

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