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Fruit EdibleShrubs

Ribes rubrum 'Jonkheer van Tets' (R)

redcurrant 'Jonkheer van Tets'

An upright shrub with green foliage. Green and white flowers appear in spring followed by heavy crops of large sweet fruits on long strings in June and July. One of the earliest varieties to ripen. Self-pollinating

Synonyms

Ribes praecox 'Jonkheer van Tets'

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Ultimate height

1.5–2.5 metres

Time to ultimate height

5–10 years

Ultimate spread

1–1.5 metres

Clay

Loam

Sand

Moisture

Moist but well–drained, Well–drained

pH

Acid, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

South–facing or North–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)

Botanical details

Family: Grossulariaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Bushy, Columnar upright
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

Grow in a well-drained, fertile soil with a neutral to acid pH. Full sun is preferred, but partial shade is tolerated and plants can be trained against a north wall. Grow as a permanent framework as a bush, standard, cordon or fan. Keep the around the bushes free of other plants. Mulch with well rotted compost, manure or bark particularly on dry soils. Further redcurrant cultivation advice

Propagation

Propagate by hardwood cuttings in autumn

Suggested planting locations and garden types

Cottage and informal garden
Wildlife gardens
Wall side borders
Edible fruit

Pruning

Main pruning is carried out in dormant season, along with summer pruning of vigorous laterals

Pests

May be susceptible to aphids, scale insects and sawflies

Diseases

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

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