Heliotropium arborescens 'Lord Roberts'

RHS Plant Profile

cherry pie 'Lord Roberts'

RHS

Bedding Shrubs Conservatory Greenhouse

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A tender spreading, evergreen shrub with dark green wrinkled leaves and clusters of purple to blue, heavily scented flowers which appear in the summer

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 0.5-1 metres

Growing Conditions

Loam Sand

Moisture: Moist but 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): H1C

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Boraginaceae
Native to GB/Ireland: No
Foliage: Evergreen
Habit: Bushy
Potentially harmful: Pets: Harmful if eaten repeatedly. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus: Heliotropium can be annuals, perennials, sub-shrubs or shrubs, with simple leaves and large clusters of small, scented flowers in summer
Name Status: Unresolved

How to Grow

Cultivation

Under glass, grow in peat-free compost in full light but with some protection from hot sun. Outdoors grow in any moist but well-drained soil in full sun. Water moderately in the growing season and apply a balanced fertiliser once a month. In the winter keep the rootball just moist

Propagation

Propagate cultivars by taking softwood cuttings or semi-ripe cuttings in summer

Suggested planting locations and garden types

Cottage and informal garden
City and courtyard gardens
Patio and container plants
Wildlife gardens
Coastal
Sub-tropical
Flower borders and beds
Conservatory and greenhouse

Pruning

Tip-prune shoots on young plants in early spring to promote bushy growth. Older leggy plants can gave their stems shortened by half in spring

Pests

Glasshouse whitefly may be a problem if grown under glass

Diseases

Generally disease-free