Crotalaria laburnifolia

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An erect bushy evergreen shrub that can reach 2m in height. Has tri-foliate leaves that resemble that of a Laburnum and racemes of yellow 4cm long pea-like flowers with reddish-brown marks on the outside in spring. An ornamental plant that is also used for medicinal purposes and as a green manure crop.

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1.5-2.5 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity
2–5 years
Max Spread
1.5-2.5 metres
Max Height
1.5-2.5 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained
pH
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
Fabaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Genus
Crotalaria can be annuals, perennials or evergreen shrubs, with simple or palmate leaves and racemes or pea-like flowers followed by conspicuous inflated seed-pods
Name Status
Correct
Plant Range
Tropical & S Africa, Tropical Asia to N Australia

How to Grow

Cultivation

Grows well in any well-drained soil and although it prefers moisture, it can also tolerate dry conditions. A sunny postion is best. Light pruning will enhance flowering.

Propagation

Propagate by seed or cuttings

Suggested planting locations and garden types

  • Cottage and informal garden

Pruning

Pruning group 1

Pests

Generally pest-free.

Diseases

Generally disease-free