Alphabetical Plant Listing

Kosteletzkya virginica (Seashore Mallow)

Virginia Saltmarsh Mallow, Virginia Fen-rose, Saltmarsh Mallow, Seashore Mallow


Native to the coastal marshes of the eastern United States, Kosteletzkya virginica (Seashore Mallow) is an erect, branching perennial or subshrub boasting an abundance of hibiscus-like rosy pink flowers, 3 in. across (7 cm), adorned with a central column of yellow stamens. Blooming from early summer to early fall, the blossoms appear singly in the leaf axils or in terminal panicles and contrast nicely against the gray-green foliage. The flowers last only one day, but they are borne in such profusion that the plant can have dozens of flowers open each day. Rich in nectar, they attract butterflies, hummingbirds and other pollinators. The lower leaves to 6 in. long (15 cm) feature 3-5 lobes, while the upper leaves are smaller, either triangular or arrow shaped. Particularly abundant in southern Louisiana, Seashore Mallow thrives in swampy soil and even standing water, but adapts to regular garden soil as long as it is well irrigated.

  • Grows up to 3-5 ft. tall (90-150 cm) and 2-3 ft. wide (60-90 cm),
  • Performs best in moderately fertile, moist to wet soils in full sun. Prefers sand, but will tolerate clay. Moderately salt tolerant. Provide a sheltered site to prevent the need to stake.
  • Great for native plant gardens, naturalized areas, near ponds and streams.
  • No significant pest or disease issues.
  • Propagate by seed or softwood cuttings.
  • Native to the eastern United States, from New York to Florida to Louisiana.

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Requirements

Hardiness 6 – 9
Plant Type Perennials, Shrubs
Exposure Full Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 3' – 5' (90cm – 150cm)
Spread 2' – 3' (60cm – 90cm)
Spacing 36" (90cm)
Water Needs Average
Maintenance Low
Soil Type Clay, Loam
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Moisture Retentive
Characteristics Showy
Attracts Butterflies, Hummingbirds
Garden Uses Ponds and Streams
Garden Styles Coastal Garden

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Peganum, Flickr

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 6 – 9
Plant Type Perennials, Shrubs
Exposure Full Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 3' – 5' (90cm – 150cm)
Spread 2' – 3' (60cm – 90cm)
Spacing 36" (90cm)
Water Needs Average
Maintenance Low
Soil Type Clay, Loam
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Moisture Retentive
Characteristics Showy
Attracts Butterflies, Hummingbirds
Garden Uses Ponds and Streams
Garden Styles Coastal Garden

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