// SPECIES PROFILE · SHRUB · NATIVE

Posey county blackberry

Rubus impar

Posey county blackberry (Rubus impar) is a shrub in the — family. Native range includes MO — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 5a–7b. Mature size 4'–10'. Blooms May–Jul.

// QUICK FACTS

Family: —
Group: shrub
Native range: Native to IL, IN, MO
USDA hardiness: Zones 5a–7b
Mature size: 4'–10'
Sun: —
Water: —
Bloom: May–Jul
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Posey county blackberry (Rubus impar) — *Rubus impar* — Posey county blackberry. Photo by User:SB_Johnny via Wikimedia Commons (CC BY-SA 3.0).

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, posey county blackberry pairs naturally with: American Bladdernut (Staphylea trifolia), American Gooseberry (Ribes missouriense), American Hazelnut (Corylus americana), American Plum (Prunus americana).