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Last edited on January 27, 2021. View history

smallage Smallage

Apium graveolens
Also known as soup celery (en) wild celery (en)

A variety of celery

How to sow smallage: Sow seeds indoors 10-12 weeks before transplanting outdoors

Sun requirement for smallage: Plant in Full Sun

The wild form of celery is known as "smallage". It has a furrowed stalk with wedge-shaped leaves, the whole plant having a coarse, earthy taste, and a distinctive smell. The stalks are not usually eaten (except in soups or stews in French cuisine), but the leaves may be used in salads, and its seeds are those sold as a spice.

With cultivation and blanching, the stalks lose their acidic qualities and assume the mild, sweetish, aromatic taste particular to celery as a salad plant.

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Growstuff is a free, community-run site for people who grow food. Keep track of what you plant and harvest, find seeds to swap, and see what is growing near you. Join to record your own smallage.

Smallage facts

Lifespan

Annual living and reproducing in a single year or less
Optimal temperature 15–21 °C
Absolute temperature 5–25 °C
FAO EcoCrop
Optimal rainfall 700–1300 mm/year
Absolute rainfall 500–1500 mm/year
FAO EcoCrop
Optimal soil pH 6–6.8
Absolute soil pH 5.5–7.5
FAO EcoCrop

Crop cycle

40–150 days
FAO EcoCrop

Max altitude

2000 m
FAO EcoCrop

Optimal light

cloudy skies to clear skies
FAO EcoCrop
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 smallage, 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 smallage 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 smallage

  1. Sow seeds indoors 10 weeks before planting out
  2. Harden off the seedlings 1 week before planting out
  3. Dig compost into the bed 1 week before planting out
  4. Water deeply at planting out every week
  5. Mulch to hold moisture 2 weeks after planting out
  6. Feed with liquid fertiliser 4 weeks after planting out every 2 weeks
  7. Pick the outer stalks at first harvest every week

How members grow smallage

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Where smallage grow

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Smallage harvests

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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)

Learn more about smallage

Resources outside Growstuff.