Subterranean Clover



Trifolium subterraneum


  • A strong persistence.
  • Trifoliate leaves with hairs on both surfaces.
  • Flowers grouped in small and white glomeruli tend to grow towards the ground after fertilization.


  • High tolerance to grazing.
  • Vigorous seedlings and good winter quality
  • High persistence in permanent rainfed grasslands.
  • Superficial roots and therefore unable to capture moisture from deep soils.


  • Trifolium subterraneum ssp. subterraneum:

The subspecies with the most varieties available.

Well adapted to well-drained, moderately acidic soils with a sandy to clay texture. 

Weight of a thousand seeds: 5.0 to 11.5 grams

Seed color: Black

  • Trifolium subterraneum ssp. brachycalicinum:

Adapted to neutral and alkaline soils, with a more or less heavy structure.

The flowers are the smallest, and the seeds are the flatter of the three subspecies of subterranean.

Weight of a thousand seeds: 8.5 to 11.5 grams

Seed color: Black, purplish black or slightly yellow

  • Trifolium subterraneum ssp. yanninicum:

Well adapted to moderately acid soils, flooded and with good water retention capacity. 

Not adapted to deep sandy soils or alkaline soils.

Of the three subspecies, the one with the most erect growth.

Weight of a thousand seeds: 8.5 to 11.5 grams.

Seed color: Cream-colored or slightly yellow.


  • Sowing Period: September to November.
  • Sowing Rate:
    • Pure: 10 – 25 kg/ha.
    • Mixture: 3 – 12 kg/ha, depending on the species.
  • Compatible species: legumes and grasses for permanent rainfed meadows and vegetable covers.
  • Inoculant: Group C


  • GERALDTON (S): Early Cycle
  • DALKEITH (S): Mid-Early Cycle
  • LOSA (S): Mid-Early Cycle
  • SEATON PARK (S):  Mid Cycle
  • WOOGENELLUP (S):  Mid-late Cycle
  • GOULBURN (S): Late Cycle
  • MOUNT BARKER: Late Cycle
  • LEURA (S): Late Cycle
  • TRIKKALA (Y): Mid Cycle
  • GOSSE (Y): Mid-late Cycle
  • ROSEDALE (B): Mid-Early Cycle
  • CLARE (B): Mid-late Cycle