Erysimum 'Cotswold Gem' (v)

Annual Biennial Herbaceous Perennial

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Bushy evergreen perennial about 50cm tall, with linear grey-green leaves variegated with creamy-yellow, and short racemes of flowers to 1.5cm across, opening apricot-pink, then becoming pale orange and lilac, with flowers in all shades present at the same time, mid spring to summer

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.5-1 metres
Max Height: 0.5-1 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: Accepted

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
Patio and container plants
Wildlife gardens
Bedding
Flower borders and beds

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