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Conservatory GreenhouseShrubs

Cestrum × cultum 'Cretan Purple'

bastard jasmine 'Cretan Purple'

A tender evergreen shrub to around 150cm in height with oval-shaped, green leaves. Clusters of evening-fragranced, small trumpet-shaped purple-blue flowers appear in the summer. Best grown in a greenhouse/conservatory but may survive outdoors if grown in a mild, sheltered part of the garden

Synonyms

Cestrum parqui 'Cretan Purple'

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Ultimate height

1–1.5 metres

Time to ultimate height

5–10 years

Ultimate spread

1–1.5 metres

Chalk

Loam

Sand

Moisture

Moist but well–drained, Well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or 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)

Botanical details

Family: Solanaceae
Native to GB / Ireland: No
Foliage: Deciduous
Habit: Bushy
Potentially harmful: Harmful of eaten. Wear gloves and other protective equipment when handling Pets (dogs): Harmful if eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus: Cestrum can be shrub or scrambling climbers, with simple, evergreen leaves and tubular or salver-shaped flowers in terminal and axillary clusters, followed by red or black berries
Name status: Accepted

How to grow

Cultivation

Under glass grow in containers using peat-free, loam-based potting compost in full light with good ventilation and shade from hot sun. Water freely in summer and keep just moist in winter. Can be grown outdoors in a sheltered sunny site and well-drained soil

Propagation

Propagate by seed in spring at 13-18°C, or propagate by softwood or semi-ripe cuttings in summer

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Patio and container plants
Conservatory and greenhouse
Flower borders and beds

Pruning

Pruning group 9

Pests

Generally pest-free

Diseases

Generally disease-free

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