Prunus 'Jō-nioi'

RHS Plant Profile

cherry 'Jō-nioi'

Synonyms

Prunus serrulata 'Jo-nioi'
Prunus serrulatus f. affinis

Trees

A medium-sized, deciduous tree; vase-shaped and developing a flattened crown with age. The foliage opens golden-brown in spring and produces yellow and orange tints in autumn. Scented, single flowers are produced in clusters on long, hanging stalks, in mid- to late spring

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

4-8 metres

Max Spread

4-8 metres

Size

Time to Maturity: 10–20 years
Max Spread: 4-8 metres
Max Height: 4-8 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: West–facing or East–facing
Exposure: Exposed or 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

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Rosaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Spreading branched
Genus: Prunus can be deciduous or evergreen trees or shrubs with showy flowers in spring, and often good autumn foliage colour. Some have edible fruit in autumn, and a few species have ornamental bark
Name Status: Accepted

How to Grow

Cultivation

Grow in moderately fertile soil in full sun

Propagation

Propagate by chip budding or grafting, although softwood cuttings in early summer with bottom heat can be successful

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Wildlife gardens
Flower borders and beds

Pruning

Pruning group 1. Prune in mid-summer if silver leaf is a problem

Pests

May be susceptible to cherry blackfly and other aphids, leaf-mining moths and caterpillars

Diseases

May be susceptible to bacterial canker, blossom wilt and silver leaf