ColdSnap™ Annual Ryegrass is a winter-hardy variety bred for root mass and biomass production. Although it is used across the Midwest in cover crop plantings, ColdSnap™ Annual Ryegrass is a good fit in hay and grazing systems across the majority of the Corn Belt.

  • Suitable for grazing or silage in fall (&/or spring in areas where it overwinters)
  • Heavy dry matter producer with outstanding quality
  • Great for extending legume stands or emergency forage
  • Widely adapted for forage production in Upper Midwest through transition zone

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Cold Snap

Establishment: Fast
Persistence: Low
Drought Tolerance: Low
Winter Hardiness: High
Palatability: High
Yield Potential: High
Grazing Tolerance: High

Seeding Rate:
Alone (lbs./acre): 20-40
Mixes (lbs./acre): 5-10
Seeds/lb.: 227,000
Depth (in.): 1/4-1/2

Planting Time:
Mar.-May; Aug.-Sept.
Emergence (days): 5-14
Life Cycle: Annual

These grasses have a wide range of adaptability to soils, but thrive best on fertile soils with pH between 5.5-6.5. They produce well in regions having mild climates and do not withstand hot, dry weather or severe winters. They will stand fairly wet soils with reasonably good surface drainage.

Plant seed ¼-½ in. deep in well prepared seedbed. In general, annual ryegrass component of a mix should be 20% or less since it is very competitive, due to rapid germination and good seedling vigor.

Rotational Grazing:

Begin (in.): 8-12
Stop (in.): 3-6
Avg. Days Rest: 7-15

Hay or Haylage Harvest:
Cut boot to mid-bloom

Ryegrass is generally cut for hay when seed heads start to emerge. Pastures should be rotationally grazed when spring growth is 3-4 in. high. Allowing 7-10 in. of regrowth between grazings benefit yields and persistence. On new seedings, harvest or grazing should be delayed until plants are 10-12 in. tall. Ryegrass responds well to good management, such as intensive rotational grazing and fertilizer applications.

The Forage First Advantage:
Improved varieties of annual ryegrass offer enhanced yields, better winter survival, improved disease resistance and enhanced root development compared to varieties of the past.

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