Tall Ironweed is a striking, robust perennial in the Aster family. It is characterized by its towering height and vivid purple flower clusters, which bloom from mid-summer to early fall. This plant is a magnet for pollinators and thrives in meadows, prairies, and wetland edges, adding a bold vertical presence to native landscapes.

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Growth Habits & Characteristics:

• Height: 5–10 feet

• Spread: 2–4 feet

• Sun Requirements: Full sun to partial shade

• Soil Preferences: Prefers moist, well-drained soils; tolerates clay and seasonal wetness

• Lifespan: Perennial

• Bloom Time: Mid-summer to early fall

• Water Needs: Moderate; can tolerate occasional drought once established

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Host Insect:

Serves as a host plant for the American Painted Lady butterfly.

Pollinator Importance:

• Attracts Monarch butterflies, Swallowtails, and other nectar-feeding butterflies.

• Supports native bees, including bumblebees, long-tongued bees, and leafcutter bees.

• Provides habitat for beneficial insects, such as soldier beetles and parasitic wasps, which help control pests.

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Companion Plants:

• Asclepias incarnata (Swamp Milkweed) – Shares wet soil preferences and supports Monarchs.

• Liatris spicata (Dense Blazing Star) – Adds striking purple contrast and attracts pollinators.

• Panicum virgatum (Switchgrass) – Adds texture and movement while supporting wildlife.

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Ecological Importance:

• Pollinator Powerhouse: Provides a crucial late-season nectar source for bees, butterflies, and other beneficial insects.

• Bird Habitat: Seeds are an important food source for songbirds in the fall.

• Erosion Control: Thrives in wetland areas and helps stabilize soil along streams and floodplains.

• Wildlife Shelter: Tall, dense stems offer refuge for insects and small animals.