Growing Radicchio in Zone 10
When to plant and harvest radicchio in Zone 10— based on your zone's frost dates.
Zone 10 sits comfortably within radicchio's best range (Zones 3–11), so it grows well here on a standard schedule.
Radicchio 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
October
Sow outdoors
January
Transplant
September
Harvest
December
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Radicchio care at a glance
- Sunlight
- Full sun (6–8 hours); tolerates light afternoon shade in hot climates
- Water
- 1–1.5 inches per week; consistent moisture is especially important during head formation
- Spacing
- 10–12 in apart in rows 18 in apart
- Days to maturity
- 70–100 days from transplant
- Best zones
- 3–11 (annual; overwinters in zones 9–11)
Growing radicchio in Zone 10: FAQs
Can you grow radicchio in Zone 10?＋
Zone 10 sits comfortably within radicchio's best range (Zones 3–11), so it grows well here on a standard schedule.
When should I plant radicchio in Zone 10?＋
In Zone 10, start seeds indoors around October. 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 radicchio in Zone 10?＋
Expect to harvest radicchio in Zone 10 around December, depending on the season and variety.
Full Radicchio guide →
Complete care, problems, companions, and harvest tips.
Zone 10 overview →
Frost dates, climate, and everything to grow here.
November in Zone 10 →
What to sow, transplant, and harvest this month.