How much sun does Swamp twinflower need?

Swamp twinflower grows best in full sun conditions.

When does Swamp twinflower bloom?

Swamp twinflower blooms in April, May, June, July, August, and September.

Where is Swamp twinflower native?

Swamp twinflower (Dyschoriste humistrata) is native to FL, GA, SC, per the World Checklist of Vascular Plants (Kew).

What butterflies or moths does Swamp twinflower host?

Swamp twinflower is a larval host plant for common buckeye.

Swamp twinflower

Name: Pollinator Patch
Author: Pollinator Patch

Dyschoriste humistrata

Last reviewed: September 2026

Swamp twinflower (Dyschoriste humistrata) is a perennial forb native to FL, GA, SC. It blooms in April, May, June, July, August, and September. The flowers draw bees.

Toxicity unknown

Swamp twinflower (Dyschoriste humistrata) 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

high

Size

4"–10" H × 12"–18" W

Bloom

Apr, May, Jun, Jul, Aug, Sep

Native to

FL, GA, SC

Pollinators

bees

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.

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Browse plants for this ecoregion

Southeastern Plains Southern Coastal Plain

Low spreading groundcover with small leaves and pale lavender tubular flowers. Found in moist flatwoods, ditches, and wet meadow edges.

Growing Swamp twinflower

Grow Swamp twinflower in full sun and high water. Mature plants reach 4 to 10 inches tall and spread 12 to 18 inches wide.

Wildlife value

Host plant for common buckeye.

Larval host plant for the common buckeye butterfly; flowers attract small bees.

Common questions

How much sun does Swamp twinflower need?: Swamp twinflower grows best in full sun conditions.
When does Swamp twinflower bloom?: Swamp twinflower blooms in April, May, June, July, August, and September.
Where is Swamp twinflower native?: Swamp twinflower (Dyschoriste humistrata) is native to FL, GA, SC, per the World Checklist of Vascular Plants (Kew).
What butterflies or moths does Swamp twinflower host?: Swamp twinflower is a larval host plant for common buckeye.

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

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