Growing Scallions (Green Onions) in Zone 10
When to plant and harvest scallions (green onions) in Zone 10— based on your zone's frost dates.
Zone 10 sits comfortably within scallions (green onions)'s best range (Zones 3–11), so it grows well here on a standard schedule.
Scallions (Green Onions) planting calendar for Zone 10
These months are derived from Zone 10's frost dates — last frost around Rare or none, first frost around Rare — December to January in coldest years.
Start indoors
January
Sow outdoors
January
Transplant
January
Harvest
March
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A month-by-month Zone 10 chart with scallions (green onions) already on it — add the rest of your garden, then print it or save it as a PDF.
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Scallions (Green Onions) care at a glance
- Sunlight
- Full sun to partial shade (4–6+ hours)
- Water
- 1 inch per week; shallow roots dry out quickly
- Spacing
- 1–2 in apart; thin to 2 in for plump shanks
- Days to maturity
- 50–70 days from seed; 30–45 days from transplanted starts
- Best zones
- 3–11
Growing scallions (green onions) in Zone 10: FAQs
Can you grow scallions (green onions) in Zone 10?＋
Zone 10 sits comfortably within scallions (green onions)'s best range (Zones 3–11), so it grows well here on a standard schedule.
When should I plant scallions (green onions) in Zone 10?＋
In Zone 10, start seeds indoors around January. Zone 10's last spring frost is typically Rare or none and its first fall frost around Rare — December to January in coldest years, which sets the planting window.
When to harvest scallions (green onions) in Zone 10?＋
Expect to harvest scallions (green onions) in Zone 10 around March, depending on the season and variety.
Full Scallions (Green Onions) guide →
Complete care, problems, companions, and harvest tips.
Zone 10 overview →
Frost dates, climate, and everything to grow here.
October in Zone 10 →
What to sow, transplant, and harvest this month.