Apium graveolens var. rapaceum 'Ibis'

RHS Plant Profile
celeriac 'Ibis'

Save a plant

Where do you want to save Apium graveolens var. rapaceum 'Ibis'?

Plants I own
Wishlist
Go to My Plants
celeriac 'Ibis' RHS
Award of Garden Merit
Annual Biennial

A vigorous, fast growing celeriac variety producing smooth, round, white skinned globes that carry a nutty celery-like flavour. It is bolt hardy and has good standing and storing ability. Harvest from October onwards

Position

Full sun

Soil Types

Sand, Loam

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1 year
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Sand Loam
Moisture
Moist but well–drained
pH
Alkaline or Neutral or Acid

Position

Full sun
Aspect
West–facing or South–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H4

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Apiaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Columnar upright
Potentially harmful
Harmful to skin with sunlight. Wear gloves and other protective equipment when handling
Genus
Apium can be annual, biennial or perennial herbaceous plants, with leaves divided into three leaflets, or pinnate; in summer, tiny white flowers are borne in umbels
Name Status
Accepted

How to Grow

Cultivation

Grow in fertile, well-drained but moisture retentive soil in full sun. Incorporate plenty of organic matter. Sow indoors in March and transplant plant out in May. See celery cultivation

Propagation

Propagate by seed. See sowing vegetable seeds or sowing seeds indoors for further advice

Pruning

No pruning required

Pests

May be susceptible to carrot fly, celery leaf-mining fly, slugs and snails

Diseases

May be susceptible to celery leaf spot