Ribes odoratum 'Crandall' (F)

RHS Plant Profile

buffalo currant 'Crandall'

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Fruit Edible Shrubs

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A medium-sized, deciduous suckering shrub with a relaxed habit and green foliage. Yellow flowers appear in spring, followed by large black fruits. An American, heavy cropping variety of blackcurrant

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

1-1.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 1-1.5 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
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): H6

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Grossulariaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy, Columnar upright, Suckering
Genus: Ribes can be deciduous or evergreen shrubs, sometimes spiny, with simple, usually palmately lobed leaves and small tubular or bell-shaped, solitary or racemose flowers borne in spring or summer, followed by juicy, sometimes edible berries
Name Status: Accepted

How to Grow

Cultivation

Blackcurrants prefer a sunny site with well-drained but moisture-retentive soil, but will cope in most other soil conditions and tolerate light shade. Mulch annually with well-rotted manure or compost and apply a general purpose fertiliser in spring. Please see our blackcurrant cultivation page for more growing tips

Propagation

Propagate by hardwood cuttings

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Edible fruit
Flower borders and beds

Pruning

Prune in winter. Blackcurrants fruit best on younger wood so aim to remove up to one quarter of the oldest stems at ground level to encourage new growth from the base

Pests

May be susceptible to aphids, blackcurrant gall midge, pigeons and blackcurrant big bud mite

Diseases

May be susceptible to a leaf spot, powdery mildews, coral spot and sometimes honey fungus