Steeplebush

Spiraea tomentosa
Plant TypeShrubs
Sun ExposureFull Sun (6+ Hrs), Part Sun / Shade (3-6 Hrs)
HeightMedium (3-5')
Bloom MonthsJuly, August
Moisture NeedsFlood Tolerant
Season of InterestSummer (Jun-Aug)
Shrub Height3' to 6'
Ecological SignificanceNative Bee Friendly, Butterfly Friendly, Bird Friendly

Description

Steeplebush is an upright native shrub known for its narrow, tapering spikes of rosy-pink flowers that bloom from mid to late summer. The flower spikes rise above softly textured foliage, creating strong vertical lines and vivid color at a time when many shrubs have finished flowering. Its form is naturally tidy yet slightly wild, making it a perfect fit for naturalistic landscapes where structure and seasonal color are both important. As the blooms fade, the foliage continues to provide texture and presence well into the growing season.

Ecological Value

The dense flower spikes are highly attractive to native bees, butterflies, and other pollinators, offering abundant nectar during peak summer activity. Steeplebush is especially valuable in wetland and meadow ecosystems, where it contributes to plant diversity and supports a wide range of beneficial insects. Its dense growth also provides cover for small wildlife, adding to its overall habitat value.

Ideal Growing Conditions

Steeplebush thrives in full sun to part sun and prefers consistently moist soils. It is well adapted to sites with poor drainage and tolerates periodic flooding, making it an excellent choice for rain gardens and low-lying areas. While it can survive short dry periods once established, it performs best where soil moisture is reliably available throughout the growing season.

Landscape Uses

This shrub is ideal for rain gardens, wet meadows, pond edges, stormwater basins, and naturalized plantings where moisture-loving plants are needed. It works particularly well planted in groups, where its vertical flower spikes create a strong visual rhythm. Steeplebush pairs beautifully with sedges, blue flag iris, joe-pye weed, and other wetland natives, offering both striking summer color and meaningful ecological benefit.

Steeplebush Native Range

Map Color Key

Species present in state and nativeSpecies present and not rare
Species not present in stateSpecies present and rare

Kartesz, J.T., The Biota of North America Program (BONAP). 2015. North American Plant Atlas. (http://bonap.net/napa). Chapel Hill, N.C. [maps generated from Kartesz, J.T. 2015. Floristic Synthesis of North America, Version 1.0. Biota of North America Program (BONAP). (in press)].

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