High Quality Content by WIKIPEDIA articles! Muscari is a genus of perennial bulbous plants native to Eurasia that produce spikes of dense, most commonly blue, urn-shaped flowers resembling bunches of grapes in the spring. The common name for the genus is Grape Hyacinth (a name which is also used for the genera Leopoldia and Pseudomuscari). Another common name is Baby`s Breath. A number of species are used as ornamental garden plants.