Only true purple blooming Muscari/They live forever/Botanically known as MuscariMuscari, also commonly known as Grape Hyacinths, are spring flowering bulbs that should be planted in the fall/Leafless flower stems bear dense spikes of small flowers/Muscari colonize and naturalize readily, are self-seeding under ideal conditions and thrive for many years to come with little care or maintenanceBulb Size: 5/+ cm/Exposure: Full Sun to Partial Shade/Blooms: Early Spring/Plant Time: FallGrows: 8-12"/Plant 3" apart, 3-4" deep/Hardy in USDA zones 4-848 contiguous US states, plus the District of Columbia