For more than half a century, CHS has researched, developed, tested and distributed its own hybrid sunflower seeds. CHS focuses its hybrid seed-breeding efforts on improving yield and performance of confectionary planting seeds while meeting the quality requirements and ever-changing tastes of sunflower seed consumers around the world.
Current Royal Hybrid® Varieties
Royal Hybrid 1121®
Traditional type seed (17.02mm length)
Very good seed size
Good plantability
Very good yield potential and stability (long history)
Mid-maturity (120 days to physiological maturity)
Three-way hybrid
Royal Hybrid 609® CLP
Clearfield® Plus hybrid
Very good Clearfield tolerance
Improved weed control with MSO
Good size and length (19mm)
Good yield potential
Early-mid maturity (119 days to physiological maturity)
Good plantability
Single-cross hybrid; very uniform
Royal Hybrid® 396 EX
DuPont™ ExpressSun™ hybrid
Late maturity (123 days to physiological maturity)
Good rust tolerance
Very healthy hybrid with good staygreen
Single-cross hybrid; very uniform
Good standability
Good seed size and length (20mm)
Royal Hybrid® 208 EX
DuPont™ ExpressSun™ hybrid
Early-mid maturity
Good color
19mm seed
High percent 24/64
Good stalk strength
Good plantability
Seed Research and Development CHS is the only major processor that maintains its own hybrid seed division, staffed by seed genetics experts and complete with comprehensive nursery, greenhouse and laboratory facilities. Year after year, we put thousands of hybrids through rigorous lab tests and field trials in order to fine-tune the most desirable characteristics based on customer input and market demand. Traits like rich flavor, firm kernels, large size and unique shaping, not to mention improved yields and consistent quality. And all our sunflower seed development is free from any genetically modified source.