Enjoy the scent of fragrant hyacinth blooms in your spring garden next year! Plant these 8 hyacinths this fall for an array of colors in spring. Hyacinths should be planted in a sun to part sun area in well-drained soil for best results. Fragrant hyacinths will start to bloom in early to mid-spring. They look best when planted in groups of 3-5 bulbs per planting hole.