Radicchio
Cichorium intybus
A vegetable, sown April to July.
In September: pick a few radicchio leaves at a time and harvest the crop.
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Radicchio, month by month
Bar: the usual months. Sprout: this month.
| Sowing, planting or job | Sep | Oct | Nov | Dec | 2027Jan | Feb | Mar | Apr | May | Jun | Jul | Aug |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sow under cover. | none | none | none | none | none | none | none | usual | usual | none | none | none |
| Sow outdoors. | none | none | none | none | none | none | none | none | none | usual | usual | none |
| Plant out. | none | none | none | none | none | none | none | none | usual | usual | none | none |
| Sow another batch of radicchio. | none | none | none | none | none | none | usual | usual | usual | usual | usual | usual |
| Pick a few radicchio leaves at a time. | usual | usual | usual | none | none | none | none | none | usual | usual | usual | usual |
| Harvest the radicchio. | usual | usual | none | none | none | none | none | none | none | none | none | usual |
What to do, and when
The usual months for a UK garden. Your own plan gives the week.
Sowing and planting
Sow under cover April to May, 1 to 2cm deep. Strong source: RHS. Weaker source for the depth: Plantura.
Sow outdoors June to July, 1cm deep, 30cm apart, rows 30cm apart. Strong source: RHS.
Sow another batch of radicchio
Gardeners call this successional sowing.
For young cut-and-come-again leaves, sow small batches again and again.
Usually March to August. Moderate source: RHS.
Pick a few radicchio leaves at a time
Gardeners call this cut-and-come-again harvesting.
Usually May to November. Thin source: RHS.
Harvest the radicchio
Usually August to October. Strong source: RHS.
What the source words mean
Strong: the RHS page for this plant is among them.Moderate: another trusted UK source, or the RHS on its group.Thin: only a page that lists it.Weaker: a blog, a forum, a small website or a page from outside the UK. Treat it as a guide.
Every line above names the page it comes from. Where we found no good source for a job, we left it out. Where the name “Radicchio” comes from.