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Roundleaf Thoroughwax

Bupleurum rotundifolium

Found in lawns, disturbed areas, preferring calcareous substrates. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you

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Not native

Not native to Alabama. How scores work Is it native here?

Profile 76%

Height
16–24 inches
Spread
12–16 inches
Light
Full sun
Soil moisture
Somewhat dry to moist

At a glance

Life cycle
Annual
Bloom
April to July

Not yet recorded · Leaves

Recorded in 2 Alabama counties.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

—CaterpillarsGenus host records with ranges including AL
—BeesSoutheastern regional records
—Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claim
Growing and identification

Plant details

Family
Apiaceae
Hardiness
Zones 5a–9b
Soil pH
Acidic to alkaline
Flower color
Yellow or green

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Hares Ear; Thoroughwax

Conservation status

Alabama rankSNA
Global rankGNR
AL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

Native alternatives

Find natives for your garden

Sources