Last edited on November 02, 2026. View history
Red Stemmed Celery
A variety of celery
How to sow red stemmed celery: Sow seeds indoors 10-12 weeks before transplanting outdoors
Sun requirement for red stemmed celery: Plant in Full Sun
A very strong-growing celery from an early commercial line that makes multiple heads and gets very large. The stalks stay red, reddest in sun, and are thinner than other celery with a stronger taste. Needs free-draining soil, lots of water, and seaweed and fish fertiliser. Sow as for nutty celery.
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Red stemmed celery facts
Lifespan
Crop cycle
Max altitude
Optimal light
What are growing degree days?
A plant grows with warmth, not with days. A growing degree day is one day's worth of useful warmth: how many degrees the day's average temperature is above the lowest temperature the crop grows at. Add them up from planting and you know how far along the crop is, whatever the calendar says.
Say that lowest temperature is 10°C. A day averaging 17°C gives 7 growing degree days. A day averaging 8°C gives none, as it is too cold for the crop to grow. That is why the same lettuce takes about 50 days in a summer and 90 in an autumn: it needs the same total warmth either way.
For red stemmed celery, the FAO EcoCrop database gives a lowest growing temperature of 5°C and a shortest growing cycle of 40 days at its best temperature, about 520 growing degree days to a first harvest.
Where you've told us where your garden is, we use this and the weather there to predict when your red stemmed celery will be ready to harvest. We don't use it for how long a plant lives or when it finishes: we go by what members have logged for that.
Growing red stemmed celery
- Sow seeds indoors 10 weeks before planting out
- Harden off the seedlings 1 week before planting out
- Dig compost into the bed 1 week before planting out
- Water deeply at planting out every week
- Mulch to hold moisture 2 weeks after planting out
- Feed with liquid fertiliser 4 weeks after planting out every 2 weeks
- Pick the outer stalks at first harvest every week
Plant red stemmed celery with
red cabbage
Video
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Time to harvest
If sown now, expect a first harvest in about 40 to 150 days.
From the growing cycle in the FAO EcoCrop database, which is the same wherever it is grown.
Ecological requirements
Data from the FAO EcoCrop database for Apium graveolens L.
| Family / Taxonomy | Magnoliopsida Rosidae Apiales Umbelliferae |
|---|---|
| Life form | herb |
| Life span | biennial |
| Habit | erect |
| Optimal soil depth | shallow (20-50 cm) |
| Optimal soil texture | medium, organic |
| Optimal soil fertility | high |
| Optimal soil drainage | poorly (saturated >50% of year), well (dry spells) |
| Optimal soil salinity | medium (4-10 dS/m) |
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