Name: Allium ‘Purple Sensation’ Bloom Season: Late spring to early summer Growing Conditions: Full sun to part shade in well-drained soil Size: To 3 feet tall Zones: 4–9 Buy It: ‘Purple Sensation’ Allium ($15 for a dozen, White Flower Farm) Name: Allium caeruleum Bloom Season: Late spring to early summer Growing Conditions: Full sun and well-drained soil Size: To 2 feet tall Zones: 4–8 Buy It: Persian Blue Allium Super Sak ($40 for 50, Breck’s) Name: Allium schoenoprasum Bloom Season: Mid to late spring Growing Conditions: Full sun to part shade and well-drained soil Size: To 18 inches tall Zones: 4–8 Name: Allium moly Bloom Season: Late spring to early summer Growing Conditions: Full sun to part shade and well-drained soil Size: To 15 inches tall Zones: 3–9 Buy It: Allium moly ($13 for 50, White Flower Farm) Name: Allium cristophii Bloom Season: Late spring Growing Conditions: Full sun and well-drained soil Size: To 2 feet tall Zones: 4–8 Name: Allium ‘Globemaster’ Bloom Season: Late spring Growing Conditions: Full sun and well-drained soil Size: To 4 feet tall Zones: 5–8 Buy It: Giant Allium Globemaster Seeds ($3, Etsy) Name: Allium karataviense Bloom Season: Late spring to early summer Growing Conditions: Full sun and well-drained soil Size: To 1 foot tall Zones: 4–8 Buy It: Allium karataviense Bulbs ($23 for a dozen, John Scheepers) Name: Allium oreophilum Bloom Season: Late spring Growing Conditions: Full sun and well-drained soil Size: To 18 inches tall Zones: 4–10 Buy It: Allium oreophilum Bulbs ($5 for 25, American Meadows) Name: Allium triquetrum Bloom Season: Late spring Growing Conditions: Sun or shade and moist, well-drained soil Size: To 18 inches tall Zones: 3–8 Buy It: Triquetrum Allium (from $22, Mary’s Garden Patch) Name: Allium ‘Millenium’ Bloom Season: Late summer Growing Conditions: Full sun and well-drained soil Size: To 1 foot tall Zones: 5–8 Name: Allium tuberosum Bloom Season: Late summer Growing Conditions: Full sun to part shade and well-drained soil Size: To 18 inches tall Zones: 3-9 Buy It: Garlic Chives Seeds ($3, Walmart) Name: Allium sphaerocephalon Bloom Season: Early to midsummer Growing Conditions: Full sun and well-drained soil Size: To 3 feet tall Zones: 3-10 Buy It: Drumstick Allium Bulbs ($9, Breck’s) Name: Allium vineale ‘Hair’ Bloom Season: Late spring Growing Conditions: Full sun and well-drained soil Size: To 2 feet tall Zones: 3–8 Buy It: ‘Hair’ Allium Bulbs ($13 for 15, Breck’s) Name: Allium aflatunense Bloom Season: Late spring or early summer Growing Conditions: Full sun and well-drained soil Size: To 3 feet tall Zones: 4-8 Buy It: Persian Blue Allium ($9, Breck’s) Name: Allium ‘Mount Everest’ Bloom Season: Late spring or early summer Growing Conditions: Full sun and well-drained soil Size: To 3 feet tall Zones: 4–8 Buy It: Allium ‘Mount Everest’ ($21 for 3, White Flower Farm) Name: Nectaroscordum siculum Bloom Season: Late spring Growing Conditions: Full sun and well-drained soil Size: To 4 feet tall Zones: 5-10 Buy It: Sicilian Honey Lily ($10 for 6, Breck’s)