Petunia × hybrida Carpet Series

RHS Plant Profile
petunia Carpet Series

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Synonyms

Petunia × hybrida Carpet Series
Petunia multiflora Carpet Series

Annual Biennial Bedding

Carpet Series are compact, spreading annuals to 30cm, with trumpet-shaped flowers in shades of red, purple, yellow and white

Position

Full sun

Soil Types

Chalk, Clay, 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 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
Solanaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Matforming
Genus
Petunia can be annuals or perennials, with simple leaves and large, solitary, trumpet-shaped flowers in the upper leaf axils from late spring to autumn
Name Status
Accepted

How to Grow

Cultivation

A sunny, sheltered site is essential for the best flowers, this variety works well as carpet ground cover if the soil is well-drained

Propagation

Propagate by seed

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Flower borders and beds
  • Garden edging

Pruning

No pruning required

Pests

May be susceptible to aphids, slugs and snails

Diseases

May be susceptible to grey moulds, foot rot and a virus