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Hypericum setosum Linnaeus. Section: Brathys. Common name: Hairy St. John’s-wort. Phenology: May-Sep. Habitat: Pine savannas, wet pine flatwoods, boggy areas, adjacent ditches, fireplow lines, and scrapes. Distribution: Se. VA south to c. peninsular FL, west to se. TX.

Origin/Endemic status: Endemic

Synonymy ⓘ: = C, F, Fl2, FNA6, G, GW2, K4, NS, POWO, RAB, S, S13, Tx, Va, WH3, Adams (1973), Robson (2006). Basionym: Hypericum setosum L. 1753

Links to other floras: = Hypericum setosum - FNA6

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW
  • Eastern Mountains and Piedmont: OBL

Heliophily ⓘ: 8

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image of plant© Alan M. Cressler | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Alan Weakley source | Original Image ⭷

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Horticultural Information

NCBG trait

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Height: 1-3 ft.

plant sale text: Hairy St.John&#39s-wort is a native perennial that occurs in moist and wet pine flatwoods, savannas, ditches, and bogs in the southeastern Coastal Plain. It has small, yellow pinwheel-shaped, five-petaled flowers throughout the summer. Hairy St.John&#39s-wort is named for the dense, tiny hairs covering the stem and leaves. This species prefers moist to wet soil in full sun and would be a perfect addition to a sunny bog garden.

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native range: southeastern United States



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