Botanical Name: Allium tuberosum
Hardiness: Perennial in USDA zones 3–9
Plant Dimensions: 18" tall
Variety Information: Flat leaves are ¼" wide, 10"–18" long. White flowers on tubular stems bloom mid- to late summer. Garlic chives are also called Chinese chives because they are used extensively in Chinese cooking.
Exposure: Full sun to part shade
Attributes: Drought Tolerant, Good for Containers, Attracts Pollinators, Deer Resistant
When to Sow Outside: RECOMMENDED. 4 to 6 weeks before your average last frost date, as soon as soil can be worked, or as late as 2 months before your first fall frost date, and when soil temperature is at least 45°F, ideally 60°–70°F.
When to Start Inside: 6 to 8 weeks before your average last frost date.
Days to Emerge: 10–15 days
Seed Depth: ¼"
Seed Spacing: A group of 6 seeds every 8"
Row Spacing: 8" apart or as desired
Thinning: Not required
Harvesting: FOLIAGE: When outer spears of chives are at least 6" long, cut back to 2" above ground level. Once or twice a season, shear plants to 2" above ground; this will keep the new, tender foliage available. FLOWERS: Harvest for dried flowers and consumption when in full bloom. FLOWER BUDS: Harvest when stems are 12" tall before bud has opened. NOTE: Some gardeners recommend not harvesting garlic chives the first year to allow plant to strengthen.