Growing Mustard Greens in Zone 9
When to plant and harvest mustard greens in Zone 9— based on your zone's frost dates.
Zone 9 sits comfortably within mustard greens' best range (Zones 3–11), so it grows well here on a standard schedule.
Mustard Greens planting calendar for Zone 9
These months are derived from Zone 9's frost dates — last frost around Late January – late February, first frost around Early December – early January.
Start indoors
—
Sow outdoors
January
Transplant
—
Harvest
—
Free planting calendar
Put mustard greens on your own planting calendar
A month-by-month Zone 9 chart with mustard greens already on it — add the rest of your garden, then print it or save it as a PDF.
Free · no signup needed
Mustard Greens care at a glance
- Sunlight
- Full sun to part shade (4–6+ hours)
- Water
- 1–1.5 inches per week, even moisture; drought makes leaves tough and over-sharp
- Spacing
- 4–6 in (baby leaf) to 12 in (full-size heads)
- Days to maturity
- 45–60 days from sowing; baby leaves in 20–25 days
- Best zones
- 3–11 (cool-season annual)
Growing mustard greens in Zone 9: FAQs
Can you grow mustard greens in Zone 9?＋
Zone 9 sits comfortably within mustard greens' best range (Zones 3–11), so it grows well here on a standard schedule.
When should I plant mustard greens in Zone 9?＋
In Zone 9, sow outdoors around January. Zone 9's last spring frost is typically Late January – late February and its first fall frost around Early December – early January, which sets the planting window.
When to harvest mustard greens in Zone 9?＋
Harvest timing depends on your planting date and variety — mustard greens typically matures in 45–60 days from sowing; baby leaves in 20–25 days. See the full guide for harvest cues.
Full Mustard Greens guide →
Complete care, problems, companions, and harvest tips.
Zone 9 overview →
Frost dates, climate, and everything to grow here.
August in Zone 9 →
What to sow, transplant, and harvest this month.