Phaseolus coccineus 'Firestorm'

RHS Plant Profile
bean (runner) 'Firestorm'

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A twining climber reaching 3m with green leaves. Scarlet flowers develop into long, smooth runner beans. It is reliable even in poorer weather, both earlier and later in the season. In the UK it is grown as a summer annual, lasting only one year.

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

2.5-4 metres

Max Spread

1-1.5 metres

Size

Time to Maturity
1 year
Max Spread
1-1.5 metres
Max Height
2.5-4 metres

Growing Conditions

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

Position

Full sun
Aspect
East–facing or 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
Fabaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Climbing
Potentially harmful
Raw pods/beans harmful if eaten. Wear gloves and other protective equipment when handling. Pets (dogs): Raw pods/beans harmful if eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus
Phaseolus are annual or perennial legumes, usually climbing or trailing in form, and with trifoliate leaves. Grown as crop plants for their edible seeds, including runner, French and lima beans, as well as for animal feed, green manures and as ornamentals
Name Status
Accepted

How to Grow

Cultivation

Grow up support in moisture-retention soil which is close to a neutral pH, in full sun. For more advice see runner-bean cultivation

Propagation

Propagate by seed. See sowing vegetable seeds

Suggested planting locations and garden types

  • Cottage and informal garden
  • Wildlife gardens
  • Climber and wall shrubs
  • Wall side borders

Pruning

No pruning required

Pests

May be susceptible to slugs and snails, and to blackfly (black aphid)

Diseases

May be susceptible to runner and french bean rust