Apium graveolens var. rapaceum
celery root
Common names: knoll celery, root celery
Photo: DocteurCosmos · CC BY-SA 3.0 · Source
This description was machine-translated.
Description
Celery root forms a strong, flavorful bulb that is essential as a vegetable for soups, purées, or raw salads. It has a long growing period and requires a nutrient-rich, evenly moist soil to produce large bulbs. The foliage can be used like that of celery stalks.
Care instructions
Sow in February on a windowsill and transplant seedlings flat in mid-May (week 20) so that the bulb is above the soil surface. Water abundantly and evenly, because dryness keeps the bulbs small and hollow. In late summer remove the lower leaves and the side roots at the bulb edge, then the bulbs become round and smooth; harvest before the first hard frost.
Soil & site
Soil pH
Soil type
loamy, humus-rich, moist, nutrient-rich
Feeding
Heavy feeder
Companion planting
Good neighbors
amaryllis family (Amaryllidaceae)
Umbellifers and alliums confuse each other's pests (carrot fly, onion fly).
For example GarlicOnionChivesDaffodilRocamboleElephant garlic and 11 more species in the catalogue
Source: classic companion planting (DACH-Gartenpraxis)
daisy family (Asteraceae)
Calendula and Tagetes next to carrots keep the carrot fly away with their scent.
For example Head lettuceTagetes patulaCalendulaSunflowerCommon coneflowerFall Aster and 51 more species in the catalogue
Source: classic companion planting (DACH-Gartenpraxis)
cabbage family (Brassicaceae)
You can pair celery and dill with all Brassicaceae because they repel the cabbage whitefly with their scent, a proven companion.
For example White cabbageKohlrabiRadishKalebroccolicauliflower and 33 more species in the catalogue
Source: Bio-Gärtnerei Mixed-culture Practice
legume family (Fabaceae)
Peas and beans provide carrot and celery with nitrogen and grow as shallow-rooted plants without competition next to each other.
For example PeaPole beanBroad beanMarker peaSugar peaRed bean and 28 more species in the catalogue
Source: classic companion planting (DACH-Gartenpraxis)
Companion planting is partly traditional gardening lore. Where the reason is known, it is given.
Some of these explanations were machine-translated.
Diseases & pests
7 relevantFrom the knowledge base, automatically linked by affected species. How to spot and prevent them is covered in full in the lexicon.
Psila rosae
The carrot fly lays its eggs at the root collar of umbellifers, and the maggots eat rust brown tunnels just under the skin of the root.
More on Carrot flyAlternaria dauci
Carrot leaf blight is caused by the fungus Alternaria dauci and is one of the most common leaf diseases on carrots and related umbellifers.
More on Carrot leaf blight (Alternaria)Septoria apiicola
Celery leaf spot is the most important fungal disease on celeriac and celery.
More on Celery leaf spotSeptoria spp.
Septoria leaf spot is a widespread fungal attack that affects above all tomatoes, celery, parsley and phlox.
More on Septoria leaf spotSclerotinia sclerotiorum
White mould is caused by the fungus Sclerotinia sclerotiorum and attacks many vegetable crops, especially lettuces and beans.
More on White mould (sclerotinia)Sclerotinia sclerotiorum
White mould, also called Sclerotinia rot, is a fungal disease with a broad host range that attacks lettuce, beans and many other crops.
More on White mould (Sclerotinia rot)Arvicola terrestris
The water vole, commonly called a burrowing vole, lives underground and feeds on roots, tubers and the bark at the root collar.
More on Water voleNotes from real gardens
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