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Staphylea trifolia (Bladdernut)

Staphylea trifolia (Bladdernut)

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American bladdernut forms an irregularly branching shrub in partial light. Fertile, moist soil with decaying organic matter supports its woodland growth and spring flowering.

For Staphylea trifolia, choose partial sun to light shade and moist soil. Recorded habitats include moist floodplain woods; Mesic deciduous woods; Riverbanks; Thickets. Reported height: about 6-12 ft.

Growth habit: irregularly branching shrub; underground runners occasionally form colonies. Allow space for this growth between neighboring plants over several seasons, rather than spacing only for the size of a young plant.

Plant specifications & ecological relationships

Key growing facts

Sunlight Partial sun to light shade
Soil moisture Moist
Height About 6-12 ft
Bloom season Mid- to late spring

Native landscape companions

For partial sun / light shade and moist soil, consider these native plants alongside Staphylea trifolia:

Companion plant Height
Elderberry (Sambucus canadensis) 4 to 13 feet
Cup Plant (Silphium perfoliatum) About 4-10 ft
Northern Maidenhair Fern (Adiantum pedatum) 1–3 ft
Troublesome Sedge (Carex molesta) 1–2½ ft

These landscape suggestions combine overlapping growing needs with documented plant associations. Match soil, seasonal wetness and mature spread to your site. Remnant records are described separately under Plant communities & associates.

Show / hide ▾Growing & planting details
Growth habit Irregularly branching shrub; underground runners occasionally form colonies
Root form Underground runners that form clonal shoots
Cultivation hardiness zones Zones 3a–8b (general cultivation guidance)
Drought tolerance Drought tolerance reported in cultivation guidance; establishment needs and duration are not specified.

Plant identification & seed reference

Botanical name Staphylea trifolia
Other common names bladdernut; American Bladdernut; Bladdernut
Plant family Staphyleaceae
Show / hide ▾Plant communities & associates

Illinois woodland and stream communities

Middle Fork Woods, Vermilion County (1999–2002 survey). Recorded in: mesic ravine forest; perennial stream corridor.

Mesic ravine forest — selected native associates: Geranium maculatum, Phlox divaricata, Asarum canadense.

Perennial stream corridor — selected native associates: Phlox divaricata, Sorghastrum nutans, Acer saccharinum.

These plants share a recorded habitat; they were not necessarily found in the same small plot.

Other documented plant associations

These published associations show how this plant fits into natural vegetation. The region and community are identified for each list; moisture, shade and flooding can differ within a community.

Small trees, shrubs and vines associated with northern red oak

Eastern North America; species-range synthesis

Show / hide ▾Native range & C-value

State nativity describes a broad range. Use the Chicago-region assessment for local context; a state listing does not establish county nativity.

Wetland indicator — NWPL 2022 Midwest FAC
C-value — Chicago region, Flora 2017 7
Chicago-region native — Flora 2017 Yes
Native range — U.S. states Alabama; Arkansas; Florida; Georgia; Illinois; Kentucky; Louisiana; Maryland; Minnesota; Mississippi; Nebraska; New Jersey; New York; North Carolina; Oklahoma; Pennsylvania; South Carolina; Tennessee; Vermont; Virginia; West Virginia; Wisconsin
County nativity Not yet verified; occurrence records do not establish nativity.
Show / hide ▾Pollinators & wildlifeNo verified list yet

No additional named relationships have been verified for this listing.

Show / hide ▾Frequently asked questions

What are the ideal growing conditions for Bladdernut?
Light: Partial sun to light shade. Soil moisture: Moist.

Is Bladdernut deer and herbivore resistant?
Species-specific deer resistance has not been verified here. Even plants described as resistant may be browsed. Use physical protection where deer damage is a concern.

When should I expect Bladdernut to bloom?
Typical flowering period: Mid- to late spring. Timing varies with location and weather.

Show / hide ▾Sources & ecological notes

Landscape companion selection: Natural Communities compared the growing requirements shown on these species pages with selected source records: Mesic ravine forest — East-central Illinois. The shortlist is a planting-design inference. A shared record does not establish adjacency, identical soil requirements, local seed origin, or a tested planting combination. Regional synthesis records retain their documented focal-to-associate scope.

Illinois woodland records: Larimore, Phillippe & Ebinger (2008), Middle Fork Woods flora, Appendix I. © 2008 University of Illinois Board of Trustees, CC BY 4.0. Habitat records transcribed, selected and linked to catalog names by Natural Communities. Survey: 1999–2002.

Native range & ecological ratings: Flora of the Chicago Region (2017), via Universal FQA; USACE Chicago FQA (2017); Kew WCVP / Plants of the World Online; USACE National Wetland Plant List.

Growing conditions & other references: Illinois Wildflowers, John Hilty; USDA Forest Service: querub; NC State Extension Plant Toolbox.

Native range does not identify the origin of the seed or plants offered. Community and wildlife records apply to the locations and conditions described.

Research notes & credits

USACE/ERDC fqadata — Chicago Region FQA 2017. Herman, B., Sliwinski, R. & Whitaker, S. (2017), Chicago Region FQA Calculator; distributed by USACE/ERDC in fqadata under CC0. Values may differ from Flora of the Chicago Region (2017). CC0 dedication. Retained for comparison; the displayed C-value follows Flora database 80.

Range data: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew; 4 June 2026 release, accessed 7 September 2026. © The Trustees of the Royal Botanic Gardens, Kew. CC BY 3.0; selected and reformatted. Kew cannot warrant the quality or accuracy of these data. This use has no Kew endorsement.

Flora rating attribution: Kenneth Johnson (2018), Flora of the Chicago Region UFQA Database, following Gerould Wilhelm and Laura Rericha (2017), Flora of the Chicago Region: A Floristic and Ecological Synthesis. Individual rating facts are presented with original commentary; the calculator’s software license is not treated as a license for the underlying Flora publication.

Growing guidance: Illinois Extension — Keeping deer out of the yard and garden. Selected facts in original wording. General deer advice is not a species resistance rating.

Staphylea trifolia (Bladdernut) is a bush that is found in moist ravines, floodplains, and wet woodlands.  It is cultivated and planted for its attractive spring white flowers and its ornamental seed capsules (Bladdernut) that can hang on well into late fall and early winter.
  • Wide 10'
  • Flower Color White
  • Flower Time April-May
  •   

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