175 S. University St., W. Lafayette, IN 47907 (765) 494-1492

Seed Test Expiration Date Chart

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All Seed Except Cool Season Lawn and Turf Grasses - 12 months

Month/Year Tested Expires In
January 2025 January 2026
February 2025 February 2026
March 2025 March 2026
April 2025 April 2026
May 2025 May 2026
June 2025 June 2026
July 2025 July 2026
August 2025 August 2026
September 2025 September 2026
October 2025 October 2026
November 2025 November 2026
December 2025 December 2026

Cool Season Grasses - 15 months

Month/Year Tested Expires In
January 2025 April 2026
February 2025 May 2026
March 2025 June 2026
April 2025 July 2026
May 2025 August 2026
June 2025 September 2026
July 2025 October 2026
August 2025 November 2026
September 2025 December 2026
October 2025 January 2027
November 2025 February 2027
December 2025 March 2027

Cool Season Lawn and Turf Grasses

  • Kentucky Bluegrass
  • Red Fescue
  • Chewings Fescue
  • Hard Fescue
  • Tall Fescue
  • Perennial, Intermediate and Annual Ryegrass
  • Colonial Bentgrass
  • Creeping Bentgrass