// SPECIES PROFILE · PERENNIAL · NATIVE

Common cowparsnip

Heracleum maximum

Common cowparsnip (Heracleum maximum) is a perennial in the — family. Native range includes KS, MO. Hardy in zones 1a–11a. Blooms Feb–Sep.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 41 U.S. states, including AK, AZ, CA, CO, CT, DE…
USDA hardiness: Zones 1a–11a
Mature size: —
Sun: Full shade
Water: High · moisture-loving
Bloom: Feb–Sep
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Common cowparsnip (Heracleum maximum) — *Heracleum maximum* — Common cowparsnip. Photo by Dcrjsr via Wikimedia Commons (CC BY-SA 3.0).

Field Notes

[ growing · ecology · siting · care ]

Common cowparsnip (Heracleum maximum) is a perennial in the — family. Native range includes KS, MO. Hardy in zones 1a–11a. Blooms Feb–Sep.

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, common cowparsnip pairs naturally with: Lady Fern (Athyrium filix-femina), Wild Strawberry (Fragaria virginiana), Yarrow (Achillea millefolium), Common selfheal (Prunella vulgaris).