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Carolina Redroot

Lachnanthes caroliniana

Last reviewed: June 2026

Carolina Redroot (Lachnanthes caroliniana)
Photo: Jody Shugart / Wikimedia Commons (CC BY 4.0)

Toxicity unknown

Carolina Redroot (Lachnanthes caroliniana) 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

part sun

Water

high

Size

12"–24" H × 6"–12" W

Bloom

Jul, Aug, Sep

Native to

MA

Pollinators

bees, beetles

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 452 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Carolina redroot is a native perennial wildflower that produces clusters of small woolly yellow flowers from summer into fall. This compact plant grows 1-2 feet tall and thrives in consistently moist soils with partial sun, making it suitable for rain gardens or naturally wet areas.

In an HOA neighborhood

Carolina Redroot takes more care to keep looking intentional in a front yard. Maintenance level: moderate. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Requires consistently wet conditions that may appear swampy
  • Small stature and informal growth habit look weedy in formal settings
  • Uncommon plant that HOAs may not recognize as intentional landscaping

Wildlife value

The summer and fall blooms attract native bees and beetles for pollination. The plant provides modest wildlife habitat value in wetland garden settings.

Common questions

How much sun does Carolina Redroot need?
Carolina Redroot grows best in part sun conditions.
When does Carolina Redroot bloom?
Carolina Redroot blooms in July, August, and September.
Where is Carolina Redroot native?
Carolina Redroot (Lachnanthes caroliniana) is native to MA, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Carolina Redroot attract?
Carolina Redroot draws bees and beetles.
Is Carolina Redroot HOA-friendly?
Carolina Redroot takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from vouchered herbarium specimen records and regional native plant society lists. 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 Carolina Redroot? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Planning a bed around it? Start a free plan with this plant

Not sure where to start? Take the 2-minute yard quiz