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Saint Johnswort Hypericum tenuifolium

Other plants called Saint Johnswort:

Previously known as:

  • Hypericum galioides┬ávar.┬áreductum
  • Hypericum reductum
Phonetic Spelling
hy-PER-ih-kum
Description

Atlantic St. John's-wort or Sandhill St. John's-wort is a species of flowering plant in the St. John's wort family, Hypericaceae. It is native to the Southeastern United States.  Its habitat includes dry, open, sandy areas such as pine flatwoods, pine savannas, and sandhills.  Atlantic St. John's-wort is a small, spreading shrub growing 4–20 in. tall and forming mats.  This plant is slightly salt tolerant.

Quick ID Hints:

  • Stems 2-4 ridged on newer growth
  • Leaves paired or whorled, sessile or short-stalked
  • 5-petaled yellow flowers with numerous stamens

 

See this plant in the following landscape:
Cultivars / Varieties:
Tags:
#bees#evergreen#native tree#yellow flowers#native shrub#salt tolerant#mounding#NC native#native garden#coastal areas#pollinator plant#wildflower garden#fantz#evergreen shrub#food source summer#evergreen tree#food source fall#food source nectar#food source pollen#Piedmont Mountains FACU#Coastal FACU#wildflower#audubon#stormwater demo garden orange co
 
Cultivars / Varieties:
Tags:
#bees#evergreen#native tree#yellow flowers#native shrub#salt tolerant#mounding#NC native#native garden#coastal areas#pollinator plant#wildflower garden#fantz#evergreen shrub#food source summer#evergreen tree#food source fall#food source nectar#food source pollen#Piedmont Mountains FACU#Coastal FACU#wildflower#audubon#stormwater demo garden orange co
  • Attributes:
    Genus:
    Hypericum
    Species:
    tenuifolium
    Family:
    Hypericaceae
    Life Cycle:
    Woody
    Recommended Propagation Strategy:
    Seed
    Country Or Region Of Origin:
    South East U.S.A
    Wildlife Value:
    This plant attracts bees and other pollinators.
    Dimensions:
    Height: 1 ft. 0 in. - 2 ft. 0 in.
    Width: 1 ft. 0 in. - 2 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Native Plant
    Shrub
    Wildflower
    Woody Plant Leaf Characteristics:
    Broadleaf Evergreen
    Habit/Form:
    Dense
    Mounding
    Growth Rate:
    Slow
    Maintenance:
    Low
    Texture:
    Medium
  • Cultural Conditions:
    Light:
    Full sun (6 or more hours of direct sunlight a day)
    Partial Shade (Direct sunlight only part of the day, 2-6 hours)
    Soil Texture:
    Sand
    Soil Drainage:
    Good Drainage
    NC Region:
    Coastal
    USDA Plant Hardiness Zone:
    8b, 8a, 9b, 9a, 10b, 10a
  • Fruit:
    Display/Harvest Time:
    Fall
    Summer
    Fruit Type:
    Capsule
    Fruit Description:
    A (2)3-5 celled capsule, sometimes fleshy. Displays from July to October.
  • Flowers:
    Flower Color:
    Gold/Yellow
    Flower Inflorescence:
    Cyme
    Flower Bloom Time:
    Summer
    Flower Description:
    Solitary or cymose, terminal or axillary. Yellow (usually) 5-petaled (rarely 4), 5 sepals (rarely 4); stamens numerous, in bundles or in showy boss. Blooms from June to September.
  • Leaves:
    Woody Plant Leaf Characteristics:
    Broadleaf Evergreen
    Leaf Color:
    Green
    Leaf Type:
    Simple
    Leaf Arrangement:
    Opposite
    Whorled
    Leaf Margin:
    Entire
    Hairs Present:
    No
    Leaf Description:
    Opposite or whorled, decussate, simple, entire; sessile or petiole short.
  • Stem:
    Stem Is Aromatic:
    No
    Stem Description:
    Contain 2 to 4(up to 6) ridges on newer growth, smooth and rounded on older growth.
  • Landscape:
    Landscape Location:
    Coastal
    Naturalized Area
    Landscape Theme:
    Native Garden
    Pollinator Garden
    Design Feature:
    Small Tree
    Attracts:
    Bees
    Pollinators
    Resistance To Challenges:
    Salt