Hello to North of England! Don’t water it. (Hae you been?) You can leave it in the soil, just let it fade away—as it would have if in the ground. It might be confused—not due to anything you did or did not do. Holiday plants are often “forced” to bloom out of season to be sold, like yours, on the commercial/gift market. It might be totally off the clock. If the foliage is still on it and it is dry, cut it. Put is aside, and plant it in the fall. Be warned, hyacinths need a cold period in order to re-bloom; if you try to force it indoors, it needs 8 to 10 weeks at 35°F to 40°F, according to one source. … Not that’s not nearly as cold as we get here in New England!
Hello to North of England! Don’t water it. (Hae you been?) You can leave it in the soil, just let it fade away—as it would have if in the ground. It might be confused—not due to anything you did or did not do. Holiday plants are often “forced” to bloom out of season to be sold, like yours, on the commercial/gift market. It might be totally off the clock. If the foliage is still on it and it is dry, cut it. Put is aside, and plant it in the fall. Be warned, hyacinths need a cold period in order to re-bloom; if you try to force it indoors, it needs 8 to 10 weeks at 35°F to 40°F, according to one source. … Not that’s not nearly as cold as we get here in New England!