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Seashore Mallow

Kosteletzkya pentacarpos

Found in brackish to freshwater tidal marshes. Weakley, Flora of the Southeastern United States (2025), Florida edition What its natural habitat tells you

29
Good

Native to Florida. How scores work Is it native here?

Profile 94%

Height
3–6 feet
Spread
2–4 feet
Light
Full sun
Soil moisture
Usually moist

Space about 3 ft apart from its recorded spread, about 11 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

At a glance

Life cycle
Perennial
Leaves
Deciduous
Bloom
July to October

Recorded in 50 Florida counties.

Natural habitats

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

Freshwater tidal marshes

Marshes along tidal rivers where the water is fresh but rises and falls with the tide.

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in Florida. Shared habitat, not food. 161 animals.

All wildlife of Florida

Ecological relationships

Who uses this plant?

What these records mean

2CaterpillarsGenus host records with ranges including FL

Genus host records with ranges including FL · Kosteletzkya

  • Tarache terminimaculataCurve-Lined Bird-Dropping Moth, Curve-Lined Acontia
  • Chionodes hibiscella
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
10BeesSoutheastern regional records

Southeastern regional records · Kosteletzkya

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
0Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claim

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Malvaceae
Hardiness
Zones 6a–9b
Soil pH
Acidic to neutral
Flower color
Pink

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

Growing sources and scope
Also known as

Kosteletzkya virginica

Conservation status

Florida rankSNR
Global rankG5
FL statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

Will it fit your yard?

Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.

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How to check your spot

Sources