Welcome to the National Sunflower
Association of Canada’s Official Website


The National Sunflower Association of Canada (NSAC) is a national, non-for profit, producer-funded organization that works on behalf of the sunflower growers of Canada to promote and expand the industry, both internationally and domestically.  The NSAC represents approximately 350 producers of both confectionary and oilseed sunflowers throughout the Prairie Provinces.

Latest News & Events

How to determine Sunflower Moisture Content?

Posted: September 17, 2014

Is there another method to determine if sunflowers are ready to desiccate?

The answer is “yes”. This season many sunflower fields are not showing ALL the typical characteristics for physiological maturity, particularly brown bracts. Therefore, how can you tell if the sunflower seed moisture content is 30-35% moisture?

Click here to read our Sunflower Mositure Content Bulletin

Frost Impact on Sunflowers

Posted: September 10, 2014

With frost forecasted in the upcoming nights, read the bulletin below regarding maturity and the impacts of a frost on sunflowers.

“A killing frost in sunflowers is considered to be -4 to -5° C for 6 or more hours, as this low temperature for the extended period is required to penetrate the thick layer in the back of the sunflower head and start the dry down process.”

2014 Sept Frost and Sunflowers

Time to start considering desiccation…

Posted: September 4, 2014

Are you thinking about desiccating your sunflowers? Why should you consider desiccating your sunflowers? 

Desiccation timing is approaching for sunflowers in some areas of the province. Sunflower planted between May 10-21 are reaching physiological maturing and timing for desiccation. Head rot is starting to appear in earlier seeded fields, and desiccation can allow you to start harvest before further disease sets in.

Click on the link to read our Desiccation Special Bulletin 2014

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