Cestrum 'Newellii'

RHS Plant Profile

bastard jasmine 'Newellii'

RHS

Synonyms

Cestrum fasciculatum 'Newellii'
Cestrum newellii hort.

Conservatory Greenhouse Shrubs

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A vigorous evergreen shrub to 3m, with dull green lance-shaped leaves and clusters of bright crimson, tubular flowers 2cm long, followed by purple berries

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

2.5-4 metres

Max Spread

1.5-2.5 metres

Size

Time to Maturity: 5–10 years
Max Spread: 1.5-2.5 metres
Max Height: 2.5-4 metres

Growing Conditions

Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: South–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): H3

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Solanaceae
Native to GB/Ireland: No
Foliage: Evergreen
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 containers in a cold frame in spring or by softwood cuttings in summer

Suggested planting locations and garden types

Patio and container plants

Pruning

Pruning group 9

Pests

Generally pest-free

Diseases

Generally disease-free