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St. John's wort Hypericum frondosum

Other Common Name(s):

Phonetic Spelling
hy-PER-ih-kum frond-OH-sum
Description

This plant is native from Kentucky to North Carolina and south to Georgia, Alabama and Texas. It is a small, dense shrub that is easily grown in average soil conditions. It is best known for its showy golden yellow flowers. It inhabits glades and dry limestone ledges. The foliage may appear slightly blueish green.

Soil: Average

Family name Hypericaceae (Guttifereae)

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

Deciduous or evergreen shrub, small tree or herb. There are around 400 species of Hypericum, which include herbs, shrubs and trees, with different bloom times and cultural requirements.

Cultivars / Varieties:
  • Sunburst
Tags:
#cultivars#wildflowers#small shrub#yellow flowers#native perennial#native shrub#mounding#NC native#summer flowers#dense#native garden#pollinator plant#fantz#NC Native Pollinator Plant
 
Cultivars / Varieties:
  • Sunburst
Tags:
#cultivars#wildflowers#small shrub#yellow flowers#native perennial#native shrub#mounding#NC native#summer flowers#dense#native garden#pollinator plant#fantz#NC Native Pollinator Plant
  • Attributes:
    Genus:
    Hypericum
    Species:
    frondosum
    Family:
    Hypericaceae
    Life Cycle:
    Woody
    Country Or Region Of Origin:
    South East U.S.A. to Texas
    Wildlife Value:
    pollinator
    Dimensions:
    Height: 3 ft. 0 in. - 4 ft. 0 in.
    Width: 3 ft. 0 in. - 4 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Native Plant
    Perennial
    Shrub
    Wildflower
    Habit/Form:
    Dense
    Mounding
  • Cultural Conditions:
    Usda Plant Hardiness Zone:
    5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b
  • Fruit:
    Fruit Description:
    A (2)3-5 celled capsule, sometimes fleshy.
  • Flowers:
    Flower Color:
    Gold/Yellow
    Flower Inflorescence:
    Cyme
    Flower Value To Gardener:
    Showy
    Flower Bloom Time:
    Summer
    Flower Description:
    Five-petaled with bushy, dense stamens. Solitary or cymose, terminal or axillary. Yellow (usually) 5-petaled (rarely 4), 5 sepals (rarely 4); stamens numerous, in bundles or in showy boss.
  • Leaves:
    Leaf Color:
    Blue
    Green
    Leaf Type:
    Simple
    Leaf Arrangement:
    Opposite
    Whorled
    Leaf Shape:
    Linear
    Oblanceolate
    Leaf Margin:
    Entire
    Hairs Present:
    No
    Leaf Length:
    1-3 inches
    Leaf Description:
    Linear to oblanceolate up to 3" long. Opposite or whorled, decussate, simple, entire; sessile or petiole short.
  • Stem:
    Stem Color:
    Blue
    Green
    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:
    Naturalized Area
    Rock Wall
    Landscape Theme:
    Native Garden
    Pollinator Garden
    Rock Garden
    Attracts:
    Butterflies
    Pollinators