Erysimum 'John Codrington'

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Synonyms

Cheiranthus 'John Codrington'

Plants for pollinators
Annual Biennial Herbaceous Perennial
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Compact, bushy evergreen perennial about 25cm tall, with linear dark green leaves, and short racemes of pale yellow flowers to 1.5cm across, shaded brown and purple are produced mid to late spring

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1–2 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Loam Sand
Moisture
Well–drained
pH
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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Brassicaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Genus
Erysimum can be annuals, biennials or woody-based perennials with narrow leaves and dense racemes of often fragrant, 4-petalled flowers
Name Status
Unresolved

How to Grow

Cultivation

Grow in a sunny position in poor to moderately fertile, well-drained, neutral to alkaline soil. Usually grown as a biennial, plant out at the end of summer for flowers the following year

Propagation

Propagate by softwood cuttings in spring or summer

Suggested planting locations and garden types

  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Hanging Basket
  • Patio and container plants
  • Wildlife gardens
  • Bedding
  • Flower borders and beds
  • Garden edging

Pruning

Trim after flowering to prevent plants becoming leggy

Pests

May be susceptible to slugs, snails, cabbage root fly and flea beetles

Diseases

May be susceptible to downy mildews, club root, leaf spot, root rot and virus diseases