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Crownvetch (Coronilla varia L.)

Characteristics

  • Yield based on 2 harvests/season
  • Seeds/pound: 110,000
  • Seeding rate: 10-15 lbs pure live seed/acre
  • Seeding date: early spring, late summer or fall
  • Ground cover for steep roadbanks, surface mine spoil, and industrial sites where low maintenance is important

Advantages

  • long-lived perennial if not harvested
  • well adapted to shallow, low-fertility, acid soils
  • excellent drought tolerance
  • no bloat hazard

Concerns

  • low seedling vigor, slow to establish
  • poor shade tolerance
  • not adapted to wet soils
  • very poor persistence when harvested
  • low palatability due to nitro-compounds
  • lower yielding than alfalfa

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