I planted a well established hyacinth 2 years ago and it was looking good but today I have noticed the blooms are 'floppy' and have lost their brightness (blue). Could I have overwatered it or is it something else?
Certified GKH Gardening Expert
It is likely that your Hyacinth is simply nearing the end of it's flowering cycle.
Here is a link to refresh you on the care requirements.