This bulb should be planted in the Fall. Due to the seasonality of bulbs, items are not always in stock. Call for availability. Dark blue flowers with tiny yellow margins that are bigger than Muscari armeniacum, also known as grape hyacinths. Giant Grape Hyacinths are deer resistant, very hardy, and easy to grow in moist well-drained soil in full sun or partial shade. Shows best if planted in groups or waves. Allow leaves to die down naturally, they will multiply and come back year after year if left undisturbed. Blooms late spring, 10-12 inches.