When to plant radicchio
Hardy · tolerates frostRadicchiois keyed to your local frost dates. The offsets below hold anywhere — but the calendar dates they land on don’t. Enter your ZIP for dates tuned to your city’s nearest NOAA station.
Radicchio planting timeline
Hardy: tolerates frost and can go out a few weeks before the last spring frost.
Shop radicchio seeds →AFFILIATERadicchio planting FAQ
When should I start radicchio seeds indoors?
Start radicchio indoors 4–6 weeks before the last spring frost, so seedlings are ready to plant out once the weather warms.
Can I direct sow radicchio?
Yes — you can sow radicchio directly outdoors 2 weeks before to 2 weeks after the last spring frost.
How long does radicchio take to grow?
Radicchio takes about 60–90 days from transplanting to harvest, depending on the variety and conditions.
Can I plant radicchio in the fall?
Yes — sow radicchio for a fall crop 8–10 weeks before the first fall frost.
Is radicchio frost-hardy?
Hardy: tolerates frost and can go out a few weeks before the last spring frost.
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Other crops
155 morePlanting windows are offsets from your local 1991–2020 NOAA frost normals. How we compute this.