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Virginia Saltmarsh-mallow

Kosteletzkya pentacarpos

Last reviewed: August 2026

Kosteletzkya pentacarpos (Virginia Saltmarsh-mallow) is a native wetland perennial blooming pink flowers from July through September across southeastern coastal states. This salt-tolerant forb attracts bees and butterflies in marshes and wet areas.

Virginia Saltmarsh-mallow (Kosteletzkya pentacarpos)
Photo: (c) Laura Clark, some rights reserved (CC BY), uploaded by Laura Clark

Toxicity unknown

Virginia Saltmarsh-mallow (Kosteletzkya pentacarpos) 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

24"–60" H × 12"–36" W

Bloom

Jul, Aug, Sep

Native to

AL, DE, FL, GA and 10 more states

Pollinators

bees, butterflies

Before you buy

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Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 445 programs across 44 states, each with a link to the provider and the date we last checked it.

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Saltmarsh-mallow is a tall native perennial that produces showy pink hibiscus-like flowers from summer through early fall. This moisture-loving plant thrives in wet soils and can reach up to 5 feet tall with an upright, somewhat bushy growth habit.

Growing Virginia Saltmarsh-mallow

Grow Virginia Saltmarsh-mallow in full sun and high water. Mature plants reach 24 to 60 inches tall and spread 12 to 36 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Virginia Saltmarsh-mallow 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.

  • Very tall and can appear wild or unkempt
  • Requires consistently wet soil which may look messy
  • Dies back completely in winter leaving bare stems

Wildlife value

The large pink flowers attract bees and butterflies throughout the long blooming season. This native plant provides important nectar resources during late summer when many other flowers have finished blooming.

Common questions

Where does Virginia Saltmarsh-mallow naturally grow?
Kosteletzkya pentacarpos is native to coastal and wetland areas from New York south to Florida and west to Texas, including states like Virginia, Maryland, North Carolina, South Carolina, Georgia, and Louisiana.
When does Virginia Saltmarsh-mallow bloom?
This plant produces pink hibiscus-like flowers from July through September, providing late summer color in wetland gardens.
What pollinators visit Virginia Saltmarsh-mallow?
The flowers attract various bees and butterflies, making it valuable for supporting pollinator populations in coastal and wetland habitats.
What growing conditions does Virginia Saltmarsh-mallow need?
This plant thrives in full sun with consistently moist to wet soil conditions. It is particularly well-adapted to salt marshes and other saline environments.
Is Virginia Saltmarsh-mallow HOA-friendly?
Virginia Saltmarsh-mallow takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

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.

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

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