// SPECIES PROFILE · SHRUB · NATIVE

Longbranch frostweed

Helianthemum canadense

Longbranch frostweed (Helianthemum canadense) is a shrub in the — family. Native range includes MO — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2b–9a. Mature size 6"–2'. Blooms May–Jul.

// QUICK FACTS

Family: —
Group: shrub
Native range: Native to 28 U.S. states, including AL, CT, DC, DE, GA, IA…
USDA hardiness: Zones 2b–9a
Mature size: 6"–2'
Sun: —
Water: —
Bloom: May–Jul
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Longbranch frostweed (Helianthemum canadense) — *Helianthemum canadense* — Longbranch frostweed. Photo by Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols. Charles Scribner's Sons, New York. Vol. 2: 540. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc. via Wikimedia Commons (Public domain).

Field Notes

[ growing · ecology · siting · care ]

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, longbranch frostweed pairs naturally with: American Hazelnut (Corylus americana), American Plum (Prunus americana), American Witch Hazel (Hamamelis virginiana), Black Raspberry (Rubus occidentalis).