A new and distinct variety of gardenia plant, referred to by its cultivar name, ‘;WAH-SP’;, is provided which forms double, medium sized, fragrant, white colored inflorescences. Attractive, glossy, dark green colored foliage is formed, which contrasts beautifully with the blossoms. The vegetation is moderately vigorous and the growth habit is wide and low. The new variety is well suited for proving attractive ornamentation in the landscape.