Crocus x luteus ‘Golden Yellow’ (syn. Crocus v. ‘Mammoth Gold’)
Winner of the prestigious RHS Award of Merit, this 4-6”- tall, vigorous clump-forming crocus produces a long succession of large, rich golden blooms that open wide in the sun and continue to bloom for 3 weeks or more. ‘Golden Yellow’ increases rapidly and can’t fail to lift your spirits after a long winter. Plant corms 4 to 5” deep and 3-4” apart. Hardy to Zone 4.