Purple & White Allium Duet 3 Bulbs - Deer Proof - 18/20 cm Purple & White Allium Duet 3 Bulbs - Deer Proof - 18/20 cm (2 Purple and 1 White) A gorgeous combination of big flowering purple and white alliums.General Description Alliums or as they're also called decorative onions perform beautifully, blooming late spring through early summer Immediate Shipping from Pennsylvania - Freshly imported from Holland!