Cleome hassleriana 'Violet Queen'

RHS Plant Profile

spider flower 'Violet Queen'

Synonyms

Cleome spinosa 'Violet Queen' misapplied
Cleome hassleriana 'Violet Queen'

Annual Biennial Bedding

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A half-hardy annual, bears terminal clusters of violet flowers, interspersed with seedheads, on long stalks in summer

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 1–2 years
Max Spread: 0.1-0.5 metres
Max Height: 1-1.5 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–facing or East–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
Drought Resistance: Yes

Colour & Scent

Fragrance Foliage

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Cleomaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Columnar upright
Genus: Cleome are annuals with erect stems bearing palmately divided leaves, and terminal racemes of 4-petalled flowers with conspicuous stamens
Name Status: Accepted

How to Grow

Cultivation

Best grown in sandy or well-drained soil in a warm, sunny spot as a cut flower or border infill

Propagation

Propagate by seed

Suggested planting locations and garden types

Cut flowers
Flower borders and beds

Pruning

No pruning required

Pests

Generally pest-free, but may be susceptible to caterpillar attack

Diseases

Generally disease-free