How much sun does Longbeard hawkweed need?

Longbeard hawkweed grows best in full sun conditions.

When does Longbeard hawkweed bloom?

Longbeard hawkweed blooms in July, August, and September.

Where is Longbeard hawkweed native?

Longbeard hawkweed (Hieracium longipilum) is native to AR, IA, IL, IN and 12 more states, per the World Checklist of Vascular Plants (Kew).

What pollinators does Longbeard hawkweed attract?

Longbeard hawkweed draws bees and small butterflies.

Longbeard hawkweed

Name: Pollinator Patch
Author: Pollinator Patch

Hieracium longipilum

Last reviewed: September 2026

Longbeard hawkweed (Hieracium longipilum) is a perennial forb native to AR, IA, IL, IN and 12 more states. It blooms in July, August, and September. The flowers draw bees and small butterflies.

Toxicity unknown

Longbeard hawkweed (Hieracium longipilum) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

24"–40" H × 12"–18" W

Bloom

Jul, Aug, Sep

Native to

AR, IA, IL, IN and 12 more states

Pollinators

bees, small butterflies

Before you buy

Your city may pay you to plant this

Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 458 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Browse plants for this ecoregion

Central Great Plains Great Plains Cross Timbers Eastern Temperate Forests Ozark Highlands Central Irregular Plains Western Corn Belt Plains Northern Lakes and Forests North Central Hardwood Forests Driftless Area Southeastern Wisconsin Till Plains Southern Michigan/Northern Indiana Drift Plains Interior River Valleys and Hills

A prairie perennial with a hairy basal rosette and a tall, wiry, mostly leafless flowering stalk topped with dandelion-like yellow flower heads in late summer. Its casual, weedy silhouette reads best in an informal prairie planting.

Growing Longbeard hawkweed

Grow Longbeard hawkweed in full sun and low water. Mature plants reach 24 to 40 inches tall and spread 12 to 18 inches wide.

Wildlife value

The late-summer flowers provide nectar for bees and small butterflies during a period when many spring bloomers have finished.

Common questions

How much sun does Longbeard hawkweed need?: Longbeard hawkweed grows best in full sun conditions.
When does Longbeard hawkweed bloom?: Longbeard hawkweed blooms in July, August, and September.
Where is Longbeard hawkweed native?: Longbeard hawkweed (Hieracium longipilum) is native to AR, IA, IL, IN and 12 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does Longbeard hawkweed attract?: Longbeard hawkweed draws bees and small butterflies.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

Ready to grow Longbeard hawkweed? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Add this plant to your garden

iPhone app Android app