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Apium graveolens var. rapaceum

Celeriac

  • Botanical name: Apium graveolens var. rapaceum
  • Common name: Celeriac
  • Family: Apiaceae
  • Plant Type: Vegetable

Celeriac, Apium graveolens var. rapaceum, is a root crop with a nutty, celery-like flavour. It works well as an alternative to mashed potato and potato chips, roasted, and in stews with beans and other root veg. It can even be grated and added to salads.

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Both celeriac and celery were bred from the same wild plant. Celeriac is hardier and more disease resistant than celery, but the flavour and aroma of the plants is similar.

Celeriac is a moisture-loving plant and requires a rich, moisture-retentive soil in full sun. The soil should never be allowed to dry out. As the plants mature, remove the outer leaves to expose the crown and allow it to develop.

Varieties include ‘Prinz’ and ‘Alabastor’, which both have a good flavour and show resistance to bolting. The RHS AGM variety ‘Monarch’ is a smooth-skinned variety, making it easier to peel.

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Harvest celeriac from October to March. You can leave the roots in the ground until you need them.

How to grow Apium graveolens

  • Plant size

    30cm height

    40cm spread

  • Sun exposure: Full sun, dappled shade
  • Hardiness: Hardy
  • Soil type: Well drained / light / sandy / clay / heavy / moist

Plant calendar

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sow
Sow

Do not Sow in January

Do not Sow in February

Do Sow in March

Do Sow in April

Do not Sow in May

Do not Sow in June

Do not Sow in July

Do not Sow in August

Do not Sow in September

Do not Sow in October

Do not Sow in November

Do not Sow in December

Plant
Plant

Do not Plant in January

Do not Plant in February

Do not Plant in March

Do not Plant in April

Do Plant in May

Do Plant in June

Do not Plant in July

Do not Plant in August

Do not Plant in September

Do not Plant in October

Do not Plant in November

Do not Plant in December

Harvest
Harvest

Do not Harvest in January

Do not Harvest in February

Do not Harvest in March

Do not Harvest in April

Do not Harvest in May

Do not Harvest in June

Do Harvest in July

Do Harvest in August

Do Harvest in September

Do not Harvest in October

Do not Harvest in November

Do not Harvest in December

Apium graveolens and wildlife

Apium graveolens has no particular known value to wildlife in the UK.

Is Apium graveolens poisonous?

Apium graveolens has no toxic effects reported.

No reported toxicity to:

No reported toxicity to Birds

No reported toxicity to Cats

No reported toxicity to Dogs

No reported toxicity to Horses

No reported toxicity to Livestock

No reported toxicity to People