Garlic Chives (Chinese Leeks) in Zone 5a & 5b
Allium tuberosum
When to plant garlic chives (chinese leeks) in zone 5b
Zones 5a and 5b share the same average frost dates in our data, so this page covers both.
Method: Either: Start indoors for an earlier harvest, or direct-sow outside for less fuss. Garlic Chives (Chinese Leeks) tolerates either.
| Start indoors | Mar 22–Mar 29 |
|---|---|
| Direct sow / transplant outside | May 17–May 24 |
| Estimated harvest | Aug 5–Aug 12 (~80 days after planting) |
Spacing: 4 per square foot (square-foot-gardening spacing). Mature height: 1-1.5 ft.

Garlic chives, also called Chinese leeks, are a perennial onion relative with flat, garlic-flavored leaves, easily distinguished from the round, milder leaves of the standard chives already covered on this site.
How garlic chives (chinese leeks) fits zone 5's season
Zone 5b's frost-free window runs about 148 days, from May 10 to October 5. Garlic Chives (Chinese Leeks) needs about 80 days from sowing to first harvest.
Good companions
No standout companions recorded yet for Garlic Chives (Chinese Leeks).
Where to buy garlic chive seeds
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See it growing
Search YouTube for "growing garlic chives (chinese leeks)" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 5b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →

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Growing Garlic Chives (Chinese Leeks) in USDA zone 5b: when to start seeds indoors, when to direct-sow, and when to expect a harvest.
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