Apium graveolens var. dulce 'Hadrian'

RHS Plant Profile
celery 'Hadrian'

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Annual Biennial

A tall celery cultivar with attractive dark green stems. Shows a good level of resistance to bolting and disease

Position

Full sun

Soil Types

Clay, Loam, Sand

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

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

Position

Full sun
Aspect
South–facing or West–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)
H2

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, moist but well drained soil in full sun. Sow indoors between March and April in seed trays or modules and transplant out to final position when large enough to handle. Low temperatures can cause bolting. See celery cultivation

Propagation

Propagate by seed. See sowing vegetable seeds

Pruning

No pruning required

Pests

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

Diseases

May be susceptible to celery leaf spot