Growing Radishes in Zone 12
When to plant and harvest radishes in Zone 12— based on your zone's frost dates.
Zone 12 sits just outside radishes' ideal range (Zones 2–11), but a good harvest is achievable with careful timing and a little season extension.
Radishes planting calendar for Zone 12
These months are derived from Zone 12's frost dates — last frost around None, first frost around None.
Start indoors
—
Sow outdoors
November and December
Transplant
—
Harvest
—
Radishes care at a glance
- Sunlight
- Full sun to partial shade
- Water
- Even moisture for fast, mild growth
- Spacing
- 1–2 in apart
- Days to maturity
- 22–35 days
- Best zones
- 2–11
Growing radishes in Zone 12: FAQs
Can you grow radishes in Zone 12?＋
Zone 12 sits just outside radishes' ideal range (Zones 2–11), but a good harvest is achievable with careful timing and a little season extension.
When should I plant radishes in Zone 12?＋
In Zone 12, sow outdoors around November and December. Zone 12's last spring frost is typically None and its first fall frost around None, which sets the planting window.
When to harvest radishes in Zone 12?＋
Harvest timing depends on your planting date and variety — radishes typically matures in 22–35 days. See the full guide for harvest cues.
Full Radishes guide →
Complete care, problems, companions, and harvest tips.
Zone 12 overview →
Frost dates, climate, and everything to grow here.
June in Zone 12 →
What to sow, transplant, and harvest this month.