Louisiana Seed Certification Application Deadlines

A. Onion Bulbs and seed, and shallots - March 1.

B. Tissue Culture Sugarcane - April 1.

C. Clover (crimson, red, white), Rescue Grass, Harding Grass, Vetch, and Irish Potatoes- April 1

D. Oats, Wheat, Ryegrass, Singletary Peas - April 15

E. Watermelon - May 1

F. Sweet Potatoes and Sweet Potato plants
    1. Greenhouse plantings (virus-tested) - 45 days prior to planting
    2. Field plantings - June 1

G. Okra - June 15

H. Rice - July 1.

I. Cotton, Millet, Sesame, Sunflower, Tree - July 15.

J. Tomatoes (Spring) - June 1, (Fall) - July 15.

K. Soybeans - August 1

L. Corn - a minimum of 30 days prior to pollination.

M. Cowpeas - a minimum of 30 days prior to harvest.

N. Grasses:
    1. Bermuda grasses: 
        a. new plantings - minimum of 30 days prior to harvest.
        b. established stands (fields certified the previous year) - June 1. 
            Renewal application must be submitted.
    2. Turf and Pasture Grass:
        a. new plantings - at least 15 days prior to land preparation for planting
        b. established stands (fields certified the previous year) - June 1.  
            Renewal application must be submitted.