Being a bulbous plant, the hyacinth can be propagated either by using its seeds, which generally have excellent viability, or by growing the offset bulbs produced near the basal plate of each plant.Click to see full answer. Also question is, do hyacinths spread?Reply: Yes, they produce offshoots that can be removed during the dormant season. The best way is to dig up your hyacinths and remove the offshoots and place the parent bulb right back into the ground.Likewise, can you replant a hyacinth bulb? Hyacinths (Hyacinthus spp.) Hyacinths grow in U.S. Department of Agriculture plant hardiness zones 4 through 8. If the potted bulbs were grown in soil, you can transplant them to the garden for years of enjoyment. Those grown in water vases or pebbles tend to rot, so are best thrown out after they finish blooming. Hereof, how do hyacinth reproduce? Hyacinths grow readily in U.S. Department of Agriculture hardiness zones 3 through 9 but they can also bloom in warmer areas when you divide the bulbs and chill them indoors each year. Hyacinths reproduce via an underground bulb structure. When separated, each bulb can grow into a new plant.How do you harvest hyacinth seeds?Collect wild hyacinth seeds between April and September from mature flower pods. Look for brown pods to assure maturity. Remove the seeds from the pods by hand or rub the pods over a screen to extract seeds. Mature seeds are small, hard and black.