I grow chives in the Long Island plot, and they are the least demanding plant in the herb section. A clump established from a transplant in spring comes back every year, requires minimal watering once established, and produces from March through November in zone 7a. The main management task is dividing the clump every three to four years when it becomes overcrowded, and cutting back the flower stalks if you want continued leaf production rather than seed.
Chives are worth planting early in a garden if you want a perennial that gives something useful in the first year and continues for a decade without replanting.
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Quick Facts
Attribute
Detail
Scientific name
Allium schoenoprasum
Plant type
Herbaceous perennial
USDA zones
3–9
Cold tolerance
Hardy to -40°F (zone 3)
Light
Full sun to part shade
Soil pH
6.0–7.0
Water
Moderate; drought-tolerant once established
Mature size
10–15 inches tall, 12 inches wide
Zone 7a emergence
March (from established clumps)
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