Gardenia Flower Food. For the best results use an acidifying mulch material such as. After a week or so the oldest blooms turn yellow and then brown and remain on the shrub even as new flowers open.
Save 10 more with Subscribe. Old coffee grounds are one of the best fertilizers for gardenias. 46 out of 5 stars.
Flowers unfurl alabaster white into perfectly shaped corsages.
Miracid is available exclusively at official Miracle-Gro nurseries. It feeds gardenia plants directly as it decomposes and also helps block out nutrient-stealing weeds while conserving soil moisture. Miracid is available exclusively at official Miracle-Gro nurseries. 100 pcsBag Gardenia Seeds Cape Jasmine Amazing Smell.