Swamp Rose Mallow, is a native perennial in the Malvaceae (mallow) family. It is known for its large, showy flowers, which range from white to pink with deep red centers. Blooming from mid-summer to early fall, its tropical-like appearance makes it a standout in wetlands, rain gardens, and moist meadows. This plant thrives in wet conditions and supports a variety of pollinators and other wildlife.

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Growth Habits & Characteristics:

• Height: 4–7 feet

• Spread: 2–4 feet

• Sun Requirements: Full sun to partial shade

• Soil Preferences: Moist to wet soils, including clay, loam, and sandy soils

• Lifespan: Perennial

• Bloom Time: Mid-summer to early fall (July–September)

• Water Needs: High; thrives in wet conditions but can tolerate brief droughts

• Growth Habit: Upright, bushy with woody stems and large, heart-shaped or lobed leaves

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Pollinator Importance:

• Host plant for the Rose Mallow Bee (Ptilothrix bombiformis), a specialist pollinator.

• Attracts hummingbirds, native bees, and butterflies.

• Nectar source for bumblebees, carpenter bees, and other long-tongued pollinators.

• Leaves may be used by caterpillars of some moth species.

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Companion Plants:

• Asclepias incarnata (Swamp Milkweed) – Thrives in similar wetland conditions and supports monarch butterflies.

• Lobelia cardinalis (Cardinal Flower) – Adds a striking red contrast and attracts hummingbirds.

• Eutrochium maculatum (Spotted Joe-Pye Weed) – Provides nectar for late-season pollinators.

• Carex spp. (Native Sedges) – Helps retain soil moisture and adds texture.

• Iris virginica (Blue Flag Iris) – Complements Hibiscus moscheutos with beautiful blue blooms.

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Ecological Importance:

• Specialist Pollinator Support: Essential for the Rose Mallow Bee, which relies on its pollen.

• Pollinator Magnet: Provides nectar for a diverse range of bees, butterflies, and hummingbirds.

• Water Filtration: Helps filter runoff and improve water quality in wetland ecosystems.

• Erosion Control: Deep roots stabilize soil along shorelines and in wet meadows.

• Biodiversity Enhancer: Supports wetland ecosystems by providing habitat and food for insects and small wildlife.