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// SPECIES PROFILE · ANNUAL · NATIVE

Halberdleaf tearthumb

Polygonum arifolium

Halberdleaf tearthumb (Polygonum arifolium) is a annual in the — family. Native range includes MO — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2b–10a. Blooms Jul–Oct.

// QUICK FACTS
Family
—
Group
annual
Native range
Native to 28 U.S. states, including CT, DC, DE, GA, IL, IN…
USDA hardiness
Zones 2b–10a
Mature size
—
Sun
—
Water
—
Bloom
Jul–Oct
Wildlife value
Pollinator and wildlife support
Ecological role
native species profile
Halberdleaf tearthumb (Polygonum arifolium)
Polygonum arifolium — Halberdleaf tearthumb. Photo via iNaturalist — (c) Eric Knight, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Halberdleaf tearthumb (Polygonum arifolium) is a annual in the — family. Native range includes MO — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2b–10a. Blooms Jul–Oct.

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, halberdleaf tearthumb pairs naturally with: Black-Eyed Susan (Rudbeckia hirta), Common Sunflower (Helianthus annuus), Swamp verbena (Verbena hastata), Slim amaranth (Amaranthus hybridus).

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