Hypericum tenuifolium

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Atlantic St. John's-wort


Also known as Hypericum reductum

Plant Specifics

Size:1-2 ft tall by 1-2 ft wide
Life Span:Short-lived perennial
Flower Color:Yellow
Fruit Color:Brown
Phenology:Evergreen. Blooms spring-fall (all year in the south).
Noted for:Showy flowers, Interesting foliage


Recommended Uses:Works well in a wildflower garden or as a low border plant.
Availability:Native nurseries
Light: Full Sun
Moisture Tolerance:
always floodedextremely dry
 (Somewhat moist, no flooding ----- to ----- Very long very dry periods)
Moisture Tolerance: Somewhat moist, no flooding ----- to ----- Very long very dry periods
Salt Water Flooding Tolerance:Not salt tolerant of inundation by salty or brackish water.
Salt Spray/ Salty Soil Tolerance:Some tolerance to salty wind but not direct salt spray.
Soil or other substrate:Sand
Soil pH:



Foliage and seeds are food source for birds and mammals.


Attracts pollinators, especially bees.  Documented bees include Colletes sp. A, Hylaeus conflzcens, Augochlorella aurata, A. gratiosa, Azcgochloropsis anonyma, A. metallica, A. sumnptuosa, Dialictus miniatulus, D. nymnphalis, D. placidensis, D. tegularis, Arzthidielluln perplexzcm, Megachile brevis pseudobreuis, M. georgica and Apis lnellifera (Deyrup et al. 2002).

Native Habitats:Sandhill, pine flatwoods, dry edges of sandhill lakes..

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:
10A 10B 8A 8B 9A 9B 

USDA zones are based on minimum winter temperatures