Jasminum grandiflorum L. 'De Grasse'

RHS Plant Profile

jasmine 'De Grasse'

RHS

Climber Wall Shrub Conservatory Greenhouse

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Tender evergreen scrambling climber about 4m tall, with dark green leaves composed of leaflets. Strongly fragrant white flowers to 3.5cm across, used in perfume production are produced in clusters, mainly in summer; ideal for container cultivation in a conservatory or a frost-free greenhouse

Position

Full sun, Partial shade

Soil Types

Loam

Max Height

2.5-4 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 1.5-2.5 metres
Max Height: 2.5-4 metres

Growing Conditions

Loam

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

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

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Oleaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Climbing
Genus: Jasminum are evergreen or deciduous shrubs, many climbing by twining stems bearing usually pinnate leaves, and star-shaped white, pink or yellow flowers, which are sometimes very fragrant. Fruit a black berry
Name Status: Accepted

How to Grow

Cultivation

In frost-free climates grow in fertile, well-drained soil in sun or part shade. In cold areas suits container cultivation in a frost-free location such as a conservatory or cold greenhouse. See jasmine cultivation for further advice

Propagation

Propagate by semi-ripe cuttings in summer or layer in autumn

Suggested planting locations and garden types

Houseplants
Sub-tropical
Climber and wall shrubs
Conservatory and greenhouse

Pruning

Thin old, flowered and overcrowded stems, if necessary, after flowering

Pests

May be susceptible to aphids, glasshouse red spider mite and mealybugs

Diseases

Generally disease-free when grown under cover in a container