Hypericum lissophloeus

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Smoothbark St. John's-wort


Plant Specifics

Size:6-10 ft tall by 2-3 ft wide
Life Span:Long-lived perennial
Flower Color:Yellow
Fruit Color:Brown
Phenology:Evergreen. Blooms May to frost.
Noted for:Interesting bark


Recommended Uses:Best used as a shoreline plant in the Sand Hill Lakes region of Bay and Washington counties. Treat as a thin, lacy background plant with shiny bark.
Propagation:Seed in appropriate settings.
Availability:Native nurseries, Seed
Light: Part Shade
Moisture Tolerance:
always floodedextremely dry
 (Stays Wet ----- to ----- Usually moist, occasional inundation)
Moisture Tolerance: Stays Wet ----- to ----- Usually moist, occasional inundation
Salt Water Flooding Tolerance:Not salt tolerant of inundation by salty or brackish water.
Salt Spray/ Salty Soil Tolerance:Low/no tolerance of salty wind or direct salt spray
Soil or other substrate:Pond, lake, or stream bottom, Sand
Soil pH:



 Foliage and seeds are food source for birds and mammals.


Attracts insect pollinators, especially bees.  

Native Habitats:Sandhill upland lake margins, sinks. Alsays open. Always sandy. Tolerant of dramatic water fluctuations.

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:
8A 8B 

USDA zones are based on minimum winter temperatures


General Comments:Listed as Endangered in Florida.  Please follow all State requirements for growing and transporting this species.