Scientific Name: Hypericum japonicum

Common Name: matted st johns-wort

Family Classification (Clade): Eudicots

Family: Hypericaceae

Form Description: Prostrate; perennial, mat-forming herb, to 60 cm in diameter.

Height (m): 0.1 – 0.15

Flowers: Tiny yellow to orange flowers, less than 1 cm across, usually single, on short stalks.

Fruit: Woody capsule

Municipality
Break O’DayBrightonBurnieCentral HighlandsCircular HeadDerwent ValleyDevonportDorsetFlindersGeorge TownGlamorgan-Spring BayKentishKing IslandKingboroughLatrobeLauncestonMeander ValleyNorthern MidlandsSouthern MidlandsTasmanWaratah-WynyardWest CoastWest Tamar
Plant Communities
GrasslandSedgeland and Wetland
Habitat Notes

Damp places from sea level to about 1000m elevation.

Site Tolerance

Moist, Shady

Soil Tolerance

Clay, Fertile, Loam, Nutrient-poor, Poorly-drained, Well-drained

General Notes

Not widely grown. Needs damp, shaded position near water’s edge.

Propagation Calendar

  • Flowering Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Seed Collecting Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Sowing Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Cutting Month
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Propagation Method
Division

Seed Information

Cutting & Division Information

Propagate by division.