Celery
Apium graveolens var. dulce
A vegetable, sown March to April. It needs 3 jobs a year.
In September: blanch the celery (trench varieties only), earth it up (trench varieties only) and dig up the crop. Wear gloves: it can harm your skin in sunlight.
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Celery, 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 | usual | usual | none | none | none | none |
| Plant out. | none | none | none | none | none | none | none | none | usual | usual | none | none |
| Blanch the celery (trench varieties only). | usual | none | none | none | none | none | none | none | none | none | usual | usual |
| Earth up the celery (trench varieties only). | usual | none | none | none | none | none | none | none | none | none | usual | usual |
| Dig up the celery. | usual | usual | usual | none | none | none | none | none | none | none | usual | usual |
What to do, and when
The usual months for a UK garden. Your own plan gives the week.
Handle it with care
Wear gloves: it can harm your skin in sunlight.
Strong source: RHS.
Sowing and planting
Sow under cover March to April, on the surface. Strong source: RHS.
Blanch the celery
For trench varieties only.
Once stems are 30cm tall, tie a newspaper or corrugated cardboard sleeve round them, leaving the top third showing.
Usually July to September. Moderate source: RHS.
Earth up the celery
For trench varieties only.
Wrap the stems in a paper collar first, so the soil does not touch them.
Usually July to September. Moderate source: RHS.
Dig up the celery
Usually July to November. 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.
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 “Celery” comes from.