Grow Garlic Chives 'Geisha' (Allium tuberosum 'Geisha') for both flavor and late-season flowers in one easy perennial clump. You get flat, grass-like leaves with a clear garlic-onion aroma, plus airy umbels of creamy white, fragrant blooms that rise above the foliage and add interest when many herbs are winding down.
Plant in well-drained soil and place it where it will receive full sun to part shade. Mature clumps typically reach about 12-15 inches tall, with slender flower stalks a bit above the leaves. Water regularly while it establishes, then maintain even moisture as needed; it is known to tolerate drier conditions once rooted, especially in good soil.
Because it can self-sow and expand by underground growth, you will have the best control by deadheading spent flower clusters before they set seed and by dividing clumps when they become crowded. Use the leaves, bulbs, and flowers in the kitchen, and harvest often to encourage fresh growth. This cultivar is a great fit for herb beds, edible borders, rock gardens, and container plantings where you want tidy form and strong flavor.
Hardy in USDA Zones 3-9, this plant is also noted for tolerance to common garden pressures such as deer and rabbits. Give it sun, good drainage, and occasional grooming, and it will reward you with dependable foliage and showy, scented blooms year after year.