Plants started from seed take 4 years to bloom.1
These estimates for how long Blue grape hyacinth takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average days | Min days | Max days (0)
Average days | Min days | Max days (0)
Average days | Min days | Max days (0)
Tolerates being planted under walnuts.1
Grape hyacinth, Wideleaf grape hyacinth, Muscari
1 :Missouri Botanical Garden":http://www.missouribotanicalgarden.org/gardens-gardening/your-garden/plant-finder/plant-details/kc/l230/muscari-latifolium.aspx