UA CountyGold is an imidazoline herbicide-resistant open-pollinated nontransgenic spring Brassica napus L. canola cultivar developed from UA BountyGold × UA AlfaGold cross following pedigree breeding method and registered in Canada in 2021. The pedigree of UA CountyGold contains winter canola germplasm. On average, UA CountyGold yielded 3152 kg ha⁻¹. It flowered and matured 4.5–6.5 days later; however, it had better straw stiffness than the Western Canada Canola/Rapeseed Recommending Committee (WCC/RRC) check cultivars. This cultivar had about 0.9% higher oil in seed and 1.5% higher protein in meal, and 0.7% lower saturated fatty acids in the seed oil than the WCC/RRC checks, and rated as moderately resistant to blackleg disease.